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TI-2022-21478 Aliases CVE-2022-43723GHSA-wmxm-7j47-5ww2

Improper input validation in Siemens SICAM PAS/PQS

Priority MEDIUM 41CWE-1287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

A vulnerability has been identified in SICAM PAS/PQS (All versions < V7.0), SICAM PAS/PQS (All versions >= 7.0 < V8.06). Affected software does not properly validate the input for a certain parameter in the s7ontcp.dll. This could allow an unauthenticated remote attacker to send messages and create a denial of service condition as the application crashes. At the time of assigning the CVE, the affected firmware version of the component has already been superseded by succeeding mainline versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00988 62nd percentileScored 2026-11-07
Fix Fixed SICAM PAS/PQS (Siemens): V7.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensSICAM PAS/PQSbefore V7.0V7.0Patch availableCNA
SiemensSICAM PAS/PQSAll versions >= 7.0 < V8.06—No fix listedCNA
  • SICAM PAS/PQS VendorSiemens Affected before V7.0 Fixed in V7.0 Patch available CNA
  • SICAM PAS/PQS VendorSiemens Affected All versions >= 7.0 < V8.06 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:siemens:sicam_pas\/pqs:*:*:*:*:*:*:*:*7.0 to before 8.06VulnerableSiemens
  • cpe:2.3:a:siemens:sicam_pas\/pqs:*:*:*:*:*:*:*:* Versions 7.0 to before 8.06 Vulnerable ·Siemens

Remediation

  • Fix · CNA SICAM PAS/PQS (Siemens) Fixed in V7.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-43723
  2. 2026-10-03 Alias added: GHSA-wmxm-7j47-5ww2

References

Patch 1

  • TI-2022-21479 Cleartext transmission of sensitive information in Siemens SICAM PAS/PQS CVSS 3.1CRITICAL 9.8
  • TI-2016-07495 Improper input validation in Siemens SICAM PAS through V8.08 CVSS 3.1CRITICAL 9.8
  • TI-2016-07039 Hard-coded credentials in Siemens SICAM PAS before 8.00 CVSS 3.1CRITICAL 9.8
  • TI-2018-03434 Improper access control in Siemens IEC 61850 system configurator, DIGSI 5 , DIGSI 4… CVSS 3.1HIGH 7.8
  • TI-2023-24216 Incorrect permission assignment in Siemens SICAM PAS/PQS CVSS 3.1HIGH 7.8
  • TI-2022-21477 Uncontrolled search path in Siemens SICAM PAS/PQS CVSS 3.1HIGH 7.8
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences