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[email protected]CVE-2021-44694

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

CVE-2021-44694

2022-12-1316:15:14

CWE-1287

CWE-20

[email protected]

web.nvd.nist.gov

cve-2021-44694

denial of service

vulnerability

crafted packets

port 102/tcp

nvd

5.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

HIGH

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

5.9 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_1508s_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1508sMatch-

Node

siemenssimatic_s7-1500_cpu_1508s_f_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1508s_fMatch-

Node

siemenssimatic_s7-1500_cpu_1510sp_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1510spMatch-

Node

siemenssimatic_s7-1500_cpu_1510sp-1_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1510sp-1Match-

Node

siemenssimatic_s7-1500_cpu_1511-1_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1511-1Match-

Node

siemenssimatic_s7-1500_cpu_1511-1_pn_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1511-1_pnMatch-

Node

siemenssimatic_s7-1500_cpu_1511c_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1511cMatch-

Node

siemenssimatic_s7-1500_cpu_1511c-1_firmwareRange<3.0.1

AND

siemenssimatic_s7-1500_cpu_1511c-1Match-

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_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"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1515-2 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
    "product": "SIMATIC S7-1500 CPU 1515-2 PN",
    "versions": [
      {
        "version": "All versions < V2.9.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Siemens",
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      }
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    "defaultStatus": "unknown"
  }
]