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[email protected]CVE-2021-33537

HistoryJun 25, 2021 - 7:15 p.m.

CVE-2021-33537

2021-06-2519:15:09

CWE-120

[email protected]

web.nvd.nist.gov

cve-2021-33537

weidmueller

industrial wlan

remote code execution

vulnerability

parsing functionality

exploit

nvd

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.1 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

70.9%

JSON

In Weidmueller Industrial WLAN devices in multiple versions an exploitable remote code execution vulnerability exists in the iw_webs configuration parsing functionality. A specially crafted user name entry can cause an overflow of an error message buffer, resulting in remote code execution. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.

Affected configurations

NVD

Node

weidmuellerie-wl-bl-ap-cl-eu_firmwareRange≤1.16.18

AND

weidmuellerie-wl-bl-ap-cl-euMatch-

Node

weidmuellerie-wlt-bl-ap-cl-eu_firmwareRange≤1.16.18

AND

weidmuellerie-wlt-bl-ap-cl-euMatch-

Node

weidmuellerie-wl-bl-ap-cl-us_firmwareRange≤1.16.18

AND

weidmuellerie-wl-bl-ap-cl-usMatch-

Node

weidmuellerie-wlt-bl-ap-cl-us_firmwareRange≤1.16.18

AND

weidmuellerie-wlt-bl-ap-cl-usMatch-

Node

weidmuellerie-wl-vl-ap-br-cl-eu_firmwareRange≤1.16.18

AND

weidmuellerie-wl-vl-ap-br-cl-euMatch-

Node

weidmuellerie-wlt-vl-ap-br-cl-eu_firmwareRange≤1.16.18

AND

weidmuellerie-wlt-vl-ap-br-cl-euMatch-

Node

weidmuellerie-wl-vl-ap-br-cl-us_firmwareRange≤1.16.18

AND

weidmuellerie-wl-vl-ap-br-cl-usMatch-

Node

weidmuellerie-wlt-vl-ap-br-cl-us_firmwareRange≤1.16.18

AND

weidmuellerie-wlt-vl-ap-br-cl-usMatch-

Node

weidmuellerie-wl-bl-ap-cl-eu_firmwareRange≤1.11.10

AND

weidmuellerie-wl-bl-ap-cl-euMatch-

Node

weidmuellerie-wlt-bl-ap-cl-eu_firmwareRange≤1.11.10

AND

weidmuellerie-wlt-bl-ap-cl-euMatch-

Node

weidmuellerie-wl-bl-ap-cl-us_firmwareRange≤1.11.10

AND

weidmuellerie-wl-bl-ap-cl-usMatch-

Node

weidmuellerie-wlt-bl-ap-cl-us_firmwareRange≤1.11.10

AND

weidmuellerie-wlt-bl-ap-cl-usMatch-

Node

weidmuellerie-wl-vl-ap-br-cl-eu_firmwareRange≤1.11.10

AND

weidmuellerie-wl-vl-ap-br-cl-euMatch-

Node

weidmuellerie-wlt-vl-ap-br-cl-eu_firmwareRange≤1.11.10

AND

weidmuellerie-wlt-vl-ap-br-cl-euMatch-

Node

weidmuellerie-wl-vl-ap-br-cl-us_firmwareRange≤1.11.10

AND

weidmuellerie-wl-vl-ap-br-cl-usMatch-

Node

weidmuellerie-wlt-vl-ap-br-cl-us_firmwareRange≤1.11.10

AND

weidmuellerie-wlt-vl-ap-br-cl-usMatch-

CPENameOperatorVersion
weidmueller:ie-wl-bl-ap-cl-eu_firmwareweidmueller ie-wl-bl-ap-cl-eu firmwarele1.16.18

CPE	Name	Operator	Version
weidmueller:ie-wl-bl-ap-cl-eu_firmware	weidmueller ie-wl-bl-ap-cl-eu firmware	le	1.16.18

CNA Affected

[
  {
    "product": "IE-WL(T)-BL-AP-CL-XX",
    "vendor": "Weidmüller",
    "versions": [
      {
        "lessThanOrEqual": "V1.16.18 (Build 18081617)",
        "status": "affected",
        "version": "IE-WL-BL-AP-CL-EU (2536600000)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "V1.16.18 (Build 18081617)",
        "status": "affected",
        "version": "IE-WLT-BL-AP-CL-EU (2536650000)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "V1.16.18 (Build 18081617)",
        "status": "affected",
        "version": "IE-WL-BL-AP-CL-US (2536660000)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "V1.16.18 (Build 18081617)",
        "status": "affected",
        "version": "IE-WLT-BL-AP-CL-US (2536670000)",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "IE-WL(T)-VL-AP-CL-XX",
    "vendor": "Weidmüller",
    "versions": [
      {
        "lessThanOrEqual": "V1.11.10 (Build 18122616)",
        "status": "affected",
        "version": "IE-WL-VL-AP-BR-CL-EU (2536680000)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "V1.11.10 (Build 18122616)",
        "status": "affected",
        "version": "IE-WLT-VL-AP-BR-CL-EU (2536690000)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "V1.11.10 (Build 18122616)",
        "status": "affected",
        "version": "IE-WL-VL-AP-BR-CL-US (2536700000)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "V1.11.10 (Build 18122616)",
        "status": "affected",
        "version": "IE-WLT-VL-AP-BR-CL-US (2536710000)",
        "versionType": "custom"
      }
    ]
  }
]

References

cert.vde.com/en-us/advisories/vde-2021-026

Social References

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.1 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

70.9%

JSON

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