VULNERABILITY INTELLIGENCE
CVE-2022-33137
CVSS score8 HIGH
EPSS probability0.86%
CISA KEVNot currently listed
Published2022-07-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Description
A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3), SIMATIC MV540 S (All versions < V3.3), SIMATIC MV550 H (All versions < V3.3), SIMATIC MV550 S (All versions < V3.3), SIMATIC MV560 U (All versions < V3.3), SIMATIC MV560 X (All versions < V3.3). The web session management of affected devices does not invalidate session ids in certain logout scenarios. This could allow an authenticated remote attacker to hijack other users' sessions.
Weakness classification
- CWE-613: Insufficient Session Expiration
Primary references
- productcert@siemens.com — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory