CVE-2022-43723

Name: CVE-2022-43723
Creator: NVD / NIST
Published: 2022-12-13T16:15:24.25+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.92%

Last modified Jun 17, 2026

CVE-2022-43723 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.92% chance of exploitation in the next 30 days.

Description

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 At the time of assigning the CVE, the affected firmware version of the component has already been superseded by succeeding mainline versions.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.92%

55.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	Sicam Pas\/Pqs	>= 7.0, < 8.06

References

https://cert-portal.siemens.com/productcert/pdf/ssa-849072.pdfPatch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-849072.pdfPatch, Vendor Advisory

Timeline

Published: Dec 13, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-43723?

How severe is CVE-2022-43723?

CVE-2022-43723 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.

How do I fix CVE-2022-43723?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-43723?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST