PT-2022-21704 · Siemens · Simatic Mv560 X+2

Published 2022-07-12 · Updated 2022-07-15 · CVE-2022-33137

Positive Technologies (AI Summary)

CVSS v3.1

8.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions SIMATIC MV540 H versions prior to V3.3 SIMATIC MV540 S versions prior to V3.3 SIMATIC MV550 H versions prior to V3.3 SIMATIC MV550 S versions prior to V3.3 SIMATIC MV560 U versions prior to V3.3 SIMATIC MV560 X versions prior to V3.3

Description A security issue has been identified where the web session management of affected devices fails to invalidate session ids in certain logout scenarios. This could allow an authenticated remote attacker to hijack other users' sessions.

Recommendations For SIMATIC MV540 H versions prior to V3.3, update to version V3.3 or later to resolve the issue. For SIMATIC MV540 S versions prior to V3.3, update to version V3.3 or later to resolve the issue. For SIMATIC MV550 H versions prior to V3.3, update to version V3.3 or later to resolve the issue. For SIMATIC MV550 S versions prior to V3.3, update to version V3.3 or later to resolve the issue. For SIMATIC MV560 U versions prior to V3.3, update to version V3.3 or later to resolve the issue. For SIMATIC MV560 X versions prior to V3.3, update to version V3.3 or later to resolve the issue.

Fix

Insufficient Session Expiration

Weakness Enumeration

CWE-613

Related Identifiers

CVE-2022-33137

Affected Products

Simatic Mv540 S

Simatic Mv550 H

Simatic Mv560 X

References · 3

• https://cert-portal.siemens.com/productcert/pdf/ssa-348662.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-33137 · Security Note
• https://osv.dev/vulnerability/CVE-2022-33137 · Vendor Advisory