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cvelistCERTVDECVELIST:CVE-2021-33533
HistoryJun 25, 2021 - 6:25 p.m.

CVE-2021-33533 WEIDMUELLER: WLAN devices affected by OS Command Injection vulnerability

2021-06-2518:25:58
CWE-78
CERTVDE
www.cve.org
3
cve-2021-33533
weidmueller
wlan
os command injection
iw_webs
iw_serverip
remote control
low privilege user

CVSS3

8.8

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

AI Score

9.1

Confidence

High

EPSS

0.003

Percentile

65.8%

In Weidmueller Industrial WLAN devices in multiple versions an exploitable command injection vulnerability exists in the iw_webs functionality. A specially crafted iw_serverip parameter can cause user input to be reflected in a subsequent iw_system call, resulting in remote control over the device. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.

CNA Affected

[
  {
    "product": "IE-WL(T)-BL-AP-CL-XX",
    "vendor": "Weidmรผller",
    "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": "Weidmรผller",
    "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"
      }
    ]
  }
]

CVSS3

8.8

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

AI Score

9.1

Confidence

High

EPSS

0.003

Percentile

65.8%

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