Vulnerability Details : CVE-2022-33137

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.
Published 2022-07-12 10:15:11
Updated 2022-07-15 17:29:51
Source Siemens AG
View at NVD,

Exploit prediction scoring system (EPSS) score for CVE-2022-33137

Probability of exploitation activity in the next 30 days: 0.14%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 48 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2022-33137

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source

CWE ids for CVE-2022-33137

  • According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization."
    Assigned by:
    • (Primary)
    • (Secondary)

References for CVE-2022-33137

Products affected by CVE-2022-33137

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