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Vulnerability · Published Feb 9, 2022 · Assigned by siemens

CVE-2021-40360

High 8.8

In plain English

A high-severity information exposure in SIMATIC PCS 7 V8.2 from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).

Severity (CVSS NVD)8.8High
Exploit odds (30 days)0.7%top 47.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP1), SIMATIC WinCC V15 and earlier (All versions < V15 SP1 Update 7), SIMATIC WinCC V16 (All versions < V16 Update 5), SIMATIC WinCC V17 (All versions < V17 Update 2), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 19), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 6). The password hash of a local user account in the remote server could be granted via public API to a user on the affected system. An authenticated attacker could brute force the password hash and use it to login to the server.

Affected products (as reported)

VendorProductVersions
Siemens SIMATIC PCS 7 V8.2 All versions
Siemens SIMATIC PCS 7 V9.0 All versions
Siemens SIMATIC PCS 7 V9.1 All versions < V9.1 SP1
Siemens SIMATIC WinCC V15 and earlier All versions < V15 SP1 Update 7
Siemens SIMATIC WinCC V16 All versions < V16 Update 5
Siemens SIMATIC WinCC V17 All versions < V17 Update 2
Siemens SIMATIC WinCC V7.4 All versions < V7.4 SP1 Update 19
Siemens SIMATIC WinCC V7.5 All versions < V7.5 SP2 Update 6

Weakness: CWE-200

References