How severe is CVE-2022-43723?

CVE-2022-43723 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-43723 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-43723?

CVE-2022-43723 affects Siemens Sicam Pas/pqs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-43723?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-43723 published?

CVE-2022-43723 was published on 2022-12-13 and last updated on 2026-06-17.

CVE-2022-43723

CVE-2022-43723 is a high-severity vulnerability in Siemens Sicam Pas/pqs with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1287
Affected product: Siemens Sicam Pas/pqs
Published: 2022-12-13
Last modified: 2026-06-17

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 At the time of assigning the CVE, the affected firmware version of the component has already been superseded by succeeding mainline versions.

Frequently asked questions

What is CVE-2022-43723?: 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.
How severe is CVE-2022-43723?: CVE-2022-43723 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-43723 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-43723?: CVE-2022-43723 affects Siemens Sicam Pas/pqs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-43723?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-43723 published?: CVE-2022-43723 was published on 2022-12-13 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-849072.pdf

Affected products (1)

cpe:2.3:a:siemens:sicam_pas\/pqs:*:*:*:*:*:*:*:*

More vulnerabilities in Siemens Sicam Pas/pqs

CVE-2022-43724 — Critical (CVSS 9.8): A vulnerability has been identified in SICAM PAS/PQS (All versions < V7.0). Affected software transmits the database…
CVE-2016-8567 — Critical (CVSS 9.8): An issue was discovered in Siemens SICAM PAS before 8.00. A factory account with hard-coded passwords is present in the…
CVE-2016-9157 — Critical (CVSS 9.8): A vulnerability in Siemens SICAM PAS (all versions before V8.09) could allow a remote attacker to cause a Denial of…
CVE-2023-45205 — High (CVSS 7.8): A vulnerability has been identified in SICAM PAS/PQS (All versions >= V8.00 < V8.20). The affected application is…
CVE-2022-43722 — High (CVSS 7.8): A vulnerability has been identified in SICAM PAS/PQS (All versions < V7.0). Affected software does not properly secure…
CVE-2018-4858 — High (CVSS 7.8): A vulnerability has been identified in IEC 61850 system configurator (All versions < V5.80), DIGSI 5 (affected as IEC…

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