CVE-2021-25668 Information

Description

A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < 5.5.1) SCALANCE X201-3P IRT (All versions < 5.5.1) SCALANCE X201-3P IRT PRO (All versions < 5.5.1) SCALANCE X202-2 IRT (All versions < 5.5.1) SCALANCE X202-2P IRT (incl. SIPLUS NET variant) (All versions < 5.5.1) SCALANCE X202-2P IRT PRO (All versions < 5.5.1) SCALANCE X204 IRT (All versions < 5.5.1) SCALANCE X204 IRT PRO (All versions < 5.5.1) SCALANCE X204-2 (incl. SIPLUS NET variant) (All versions < V5.2.5) SCALANCE X204-2FM (All versions < V5.2.5) SCALANCE X204-2LD (incl. SIPLUS NET variant) (All versions < V5.2.5) SCALANCE X204-2LD TS (All versions < V5.2.5) SCALANCE X204-2TS (All versions < V5.2.5) SCALANCE X206-1 (All versions < V5.2.5) SCALANCE X206-1LD (All versions < V5.2.5) SCALANCE X208 (incl. SIPLUS NET variant) (All versions < V5.2.5) SCALANCE X208PRO (All versions < V5.2.5) SCALANCE X212-2 (incl. SIPLUS NET variant) (All versions < V5.2.5) SCALANCE X212-2LD (All versions < V5.2.5) SCALANCE X216 (All versions < V5.2.5) SCALANCE X224 (All versions < V5.2.5) SCALANCE XF201-3P IRT (All versions < 5.5.1) SCALANCE XF202-2P IRT (All versions < 5.5.1) SCALANCE XF204 (All versions < V5.2.5) SCALANCE XF204 IRT (All versions < 5.5.1) SCALANCE XF204-2 (incl. SIPLUS NET variant) (All versions < V5.2.5) SCALANCE XF204-2BA IRT (All versions < 5.5.1) SCALANCE XF206-1 (All versions < V5.2.5) SCALANCE XF208 (All versions < V5.2.5). Incorrect processing of POST requests in the webserver may result in write out of bounds in heap. An attacker might leverage this to cause denial-of-service on the device and potentially remotely execute code.

CVSS Vector

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

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-187092.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8