Vulnerability Details : CVE-2022-33139
A vulnerability has been identified in Cerberus DMS (All versions), Desigo CC (All versions), Desigo CC Compact (All versions), SIMATIC WinCC OA V3.16 (All versions in default configuration), SIMATIC WinCC OA V3.17 (All versions in non-default configuration), SIMATIC WinCC OA V3.18 (All versions in non-default configuration). Affected applications use client-side only authentication, when neither server-side authentication (SSA) nor Kerberos authentication is enabled. In this configuration, attackers could impersonate other users or exploit the client-server protocol without being authenticated.
Vulnerability category: BypassGain privilege
Products affected by CVE-2022-33139
- cpe:2.3:a:siemens:wincc_open_architecture:3.16:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_open_architecture:3.17:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:wincc_open_architecture:3.18:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:cerberus_dms:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:desigo_cc:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:desigo_cc_compact:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-33139
0.28%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 49 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-33139
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2022-33139
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Secondary)
-
A client/server product performs authentication within client code but not in server code, allowing server-side authentication to be bypassed via a modified client that omits the authentication check.Assigned by: productcert@siemens.com (Primary)
References for CVE-2022-33139
-
https://cert-portal.siemens.com/productcert/pdf/ssa-111512.pdf
Vendor Advisory
-
https://cert-portal.siemens.com/productcert/pdf/ssa-836027.pdf
Vendor Advisory
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