Is CVE-2022-33139 actively exploited?

No active exploitation of CVE-2022-33139 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-33139 be exploited remotely?

Yes. CVE-2022-33139 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-33139?

CVE-2022-33139 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-33139

CWE-603Published: June 21, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2022-33139 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.