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[email protected]CVE-2021-44693

HistoryDec 13, 2022 - 4:15 p.m.

CVE-2021-44693

2022-12-1316:15:14

CWE-1284

[email protected]

web.nvd.nist.gov

cve-2021-44693

nvd

denial of service

port 102/tcp

crafted packets

security vulnerability

4.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

5.7 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.7%

JSON

Affected devices don’t process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.

Affected configurations

NVD

Node

siemenssimatic_s7-plcsim_advanced_firmwareRange<5.0

AND

siemenssimatic_s7-plcsim_advancedMatch-

Node

siemenssimatic_s7-1200_cpu_1211c_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_1211cMatch-

Node

siemenssimatic_s7-1200_cpu_1212c_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_1212cMatch-

Node

siemenssimatic_s7-1200_cpu_1212fc_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_1212fcMatch-

Node

siemenssimatic_s7-1200_cpu_1214_fc_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_1214_fcMatch-

Node

siemenssimatic_s7-1200_cpu_1214c_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_1214cMatch-

Node

siemenssimatic_s7-1200_cpu_1214fc_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_1214fcMatch-

Node

siemenssimatic_s7-1200_cpu_1215_fc_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_1215_fcMatch-

Node

siemenssimatic_s7-1200_cpu_1215c_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_1215cMatch-

Node

siemenssimatic_s7-1200_cpu_1215fc_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_1215fcMatch-

Node

siemenssimatic_s7-1200_cpu_1217c_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_1217cMatch-

Node

siemenssimatic_s7-1200_cpu_12_1211c_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_12_1211cMatch-

Node

siemenssimatic_s7-1200_cpu_12_1212c_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_12_1212cMatch-

Node

siemenssimatic_s7-1200_cpu_12_1212fc_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_12_1212fcMatch-

Node

siemenssimatic_s7-1200_cpu_12_1214c_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_12_1214cMatch-

Node

siemenssimatic_s7-1200_cpu_12_1214fc_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_12_1214fcMatch-

Node

siemenssimatic_s7-1200_cpu_12_1215c_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_12_1215cMatch-

Node

siemenssimatic_s7-1200_cpu_12_1215fc_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_12_1215fcMatch-

Node

siemenssimatic_s7-1200_cpu_12_1217c_firmwareRange<4.6.0

AND

siemenssimatic_s7-1200_cpu_12_1217cMatch-

Node

siemenssiplus_s7-1200_cp_1243-1_rail_firmwareRange<4.6.0

AND

siemenssiplus_s7-1200_cp_1243-1_railMatch-

Node

siemenssiplus_s7-1200_cp_1243-1_firmwareRange<4.6.0

AND

siemenssiplus_s7-1200_cp_1243-1Match-

Node

siemenssimatic_s7-1500_cpu_1507s_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1507sMatch-

Node

siemenssimatic_s7-1500_cpu_1507s_f_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1507s_fMatch-

Node

siemenssimatic_s7-1500_cpu_1508sMatch-

AND

siemenssimatic_s7-1500_cpu_1508s_firmwareRange<3.0.1

Node

siemenssimatic_s7-1500_cpu_1508s_fMatch-

AND

siemenssimatic_s7-1500_cpu_1508s_f_firmwareRange<3.0.1

Node

siemenssimatic_s7-1500_cpu_1510spMatch-

AND

siemenssimatic_s7-1500_cpu_1510sp_firmwareRange<3.0.1

Node

siemenssimatic_s7-1500_cpu_1510sp-1Match-

AND

siemenssimatic_s7-1500_cpu_1510sp-1_firmwareRange<3.0.1

Node

siemenssimatic_s7-1500_cpu_1511-1Match-

AND

siemenssimatic_s7-1500_cpu_1511-1_firmwareRange<3.0.1

Node

siemenssimatic_s7-1500_cpu_1511-1_pnMatch-

AND

siemenssimatic_s7-1500_cpu_1511-1_pn_firmwareRange<3.0.1

Node

siemenssimatic_s7-1500_cpu_1511cMatch-

AND

siemenssimatic_s7-1500_cpu_1511c_firmwareRange<3.0.1

Node

siemenssimatic_s7-1500_cpu_1511c-1Match-

AND

siemenssimatic_s7-1500_cpu_1511c-1_firmwareRange<3.0.1

Node

siemenssimatic_s7-1500_cpu_1511f-1_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1511f-1Match-

Node

siemenssimatic_s7-1500_cpu_1511f-1_pn_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1511f-1_pnMatch-

Node

siemenssimatic_s7-1500_cpu_1511t-1_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1511t-1Match-

Node

siemenssimatic_s7-1500_cpu_1511tf-1_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1511tf-1Match-

Node

siemenssimatic_s7-1500_cpu_1512c_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1512cMatch-

Node

siemenssimatic_s7-1500_cpu_1512c-1_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1512c-1Match-

Node

siemenssimatic_s7-1500_cpu_1512sp-1_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1512sp-1Match-

Node

siemenssimatic_s7-1500_cpu_1512spf-1_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1512spf-1Match-

Node

siemenssimatic_s7-1500_cpu_1513-1_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1513-1Match-

Node

siemenssimatic_s7-1500_cpu_1513-1_pn_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1513-1_pnMatch-

Node

siemenssimatic_s7-1500_cpu_1513f-1_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1513f-1Match-

Node

siemenssimatic_s7-1500_cpu_1513f-1_pn_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1513f-1_pnMatch-

Node

siemenssimatic_s7-1500_cpu_1513r-1_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1513r-1Match-

Node

siemenssimatic_s7-1500_cpu_1515-2_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1515-2Match-

Node

siemenssimatic_s7-1500_cpu_1515-2_pn_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1515-2_pnMatch-

Node

siemenssimatic_s7-1500_cpu_151511c-1_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_151511c-1Match-

Node

siemenssimatic_s7-1500_cpu_151511f-1_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_151511f-1Match-

Node

siemenssimatic_s7-1500_cpu_1515f-2_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1515f-2Match-

Node

siemenssimatic_s7-1500_cpu_1515f-2_pn_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1515f-2_pnMatch-

Node

siemenssimatic_s7-1500_cpu_1515r-2_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1515r-2Match-

Node

siemenssimatic_s7-1500_cpu_1515t-2_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1515t-2Match-

Node

siemenssimatic_s7-1500_cpu_1515tf-2_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1515tf-2Match-

Node

siemenssimatic_s7-1500_cpu_1516-3_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1516-3Match-

Node

siemenssimatic_s7-1500_cpu_1516-3_dp_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1516-3_dpMatch-

Node

siemenssimatic_s7-1500_cpu_1516-3_pn_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1516-3_pnMatch-

Node

siemenssimatic_s7-1500_cpu_1516-3_pn\/dp_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1516-3_pn\/dpMatch-

Node

siemenssimatic_s7-1500_cpu_1516f-3_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1516f-3Match-

Node

siemenssimatic_s7-1500_cpu_1516f-3_pn\/dp_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1516f-3_pn\/dpMatch-

Node

siemenssimatic_s7-1500_cpu_1516pro-2_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1516pro-2Match-

Node

siemenssimatic_s7-1500_cpu_1516pro_f_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1516pro_fMatch-

Node

siemenssimatic_s7-1500_cpu_1516t-3_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1516t-3Match-

Node

siemenssimatic_s7-1500_cpu_1516tf-3_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1516tf-3Match-

Node

siemenssimatic_s7-1500_cpu_1517-3_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1517-3Match-

Node

siemenssimatic_s7-1500_cpu_1517-3_dp_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1517-3_dpMatch-

Node

siemenssimatic_s7-1500_cpu_1517-3_pn_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1517-3_pnMatch-

Node

siemenssimatic_s7-1500_cpu_1517-3_pn\/dp_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1517-3_pn\/dpMatch-

Node

siemenssimatic_s7-1500_cpu_1517f-3_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1517f-3Match-

Node

siemenssimatic_s7-1500_cpu_1517f-3_pn\/dp_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1517f-3_pn\/dpMatch-

Node

siemenssimatic_s7-1500_cpu_1517tf-3_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1517tf-3Match-

Node

siemenssimatic_s7-1500_cpu_1518_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1518Match-

Node

siemenssimatic_s7-1500_cpu_1518-4_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1518-4Match-

Node

siemenssimatic_s7-1500_cpu_1518-4_dp_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1518-4_dpMatch-

Node

siemenssimatic_s7-1500_cpu_1518-4_pn_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1518-4_pnMatch-

Node

siemenssimatic_s7-1500_cpu_1518-4_pn\/dp_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1518-4_pn\/dpMatch-

Node

siemenssimatic_s7-1500_cpu_1518-4_pn\/dp_mfp_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1518-4_pn\/dp_mfpMatch-

Node

siemenssimatic_s7-1500_cpu_1518f-4_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1518f-4Match-

Node

siemenssimatic_s7-1500_cpu_1518f-4_pn\/dp_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1518f-4_pn\/dpMatch-

Node

siemenssimatic_s7-1500_cpu_1518hf-4_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1518hf-4Match-

Node

siemenssimatic_s7-1500_cpu_1518t-4_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1518t-4Match-

Node

siemenssimatic_s7-1500_cpu_1518tf-4_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1518tf-4Match-

Node

siemenssimatic_s7-1500_cpu_15pro-2_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_15pro-2Match-

Node

siemenssimatic_s7-1500_cpu_15prof-2_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_15prof-2Match-

Node

siemenssimatic_s7-1500_cpu_cpu_1513pro-2_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_cpu_1513pro-2Match-

Node

siemenssimatic_s7-1500_cpu_cpu_1513prof-2_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_cpu_1513prof-2Match-

Node

siemenssiplus_et_200sp_cp_1542sp-1_irc_tx_rail_firmwareRange<3.0.1

AND

siemenssiplus_et_200sp_cp_1542sp-1_irc_tx_railMatch-

Node

siemenssiplus_et_200sp_cp_1543sp-1_isec_firmwareRange<3.0.1

AND

siemenssiplus_et_200sp_cp_1543sp-1_isecMatch-

Node

siemenssiplus_et_200sp_cp_1543sp-1_isec_tx_rail_firmwareRange<3.0.1

AND

siemenssiplus_et_200sp_cp_1543sp-1_isec_tx_railMatch-

Node

siemenssimatic_et_200_sp_open_controller_cpu_1515sp_pc_firmwareMatch-

AND

siemenssimatic_et_200_sp_open_controller_cpu_1515sp_pcMatch-

Node

siemenssimatic_s7-1500_software_controller_firmwareMatch-

AND

siemenssimatic_s7-1500_software_controllerMatch-

Node

siemenssiplus_s7-300_cpu_314_firmwareMatch-

AND

siemenssiplus_s7-300_cpu_314Match-

Node

siemenssiplus_s7-300_cpu_315-2_dp_firmwareMatch-

AND

siemenssiplus_s7-300_cpu_315-2_dpMatch-

Node

siemenssiplus_s7-300_cpu_315-2_pn\/dp_firmwareMatch-

AND

siemenssiplus_s7-300_cpu_315-2_pn\/dpMatch-

Node

siemenssiplus_s7-300_cpu_317-2_pn\/dp_firmwareMatch-

AND

siemenssiplus_s7-300_cpu_317-2_pn\/dpMatchv6

Node

siemenssiplus_tim_1531_irc_firmwareMatch-

AND

siemenssiplus_tim_1531_ircMatch-

Node

siemenstim_1531_irc_firmwareMatch-

AND

siemenstim_1531_ircMatch-

CPENameOperatorVersion
siemens:simatic_s7-plcsim_advanced_firmwaresiemens simatic s7-plcsim advanced firmwarelt5.0

CPE	Name	Operator	Version
siemens:simatic_s7-plcsim_advanced_firmware	siemens simatic s7-plcsim advanced firmware	lt	5.0

CNA Affected

[
  {
    "vendor": "Siemens",
    "product": "SIMATIC Drive Controller CPU 1504D TF",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC Drive Controller CPU 1507D TF",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)",
    "versions": [
      {
        "version": "All versions < V21.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1200 CPU family (incl. SIPLUS variants)",
    "versions": [
      {
        "version": "All versions < V4.6.0",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1510SP F-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1510SP-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1511-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1511-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1511C-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1511C-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1511F-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1511F-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1511T-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1511TF-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1512C-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1512C-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1512SP F-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1512SP-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1513-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1513-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1513F-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1513F-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1513R-1 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
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    "versions": [
      {
        "version": "All versions < V3.0.1",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIPLUS TIM 1531 IRC",
    "versions": [
      {
        "version": "All versions < V2.3.6",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "TIM 1531 IRC",
    "versions": [
      {
        "version": "All versions < V2.3.6",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]