How severe is CVE-2013-4943?

CVE-2013-4943 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2013-4943 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4943?

CVE-2013-4943 primarily affects Siemens Comos. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4943?

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-2013-4943 published?

CVE-2013-4943 was published on 2013-08-09 and last updated on 2026-06-16.

CVE-2013-4943

CVE-2013-4943 is a high-severity vulnerability in Siemens Comos with a CVSS 2.0 base score of 7.2. 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-264.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Siemens Comos
Published: 2013-08-09
Last modified: 2026-06-16

Description

The client application in Siemens COMOS before 9.1 Update 458, 9.2 before 9.2.0.6.37, and 10.0 before 10.0.3.0.19 allows local users to gain privileges and bypass intended database-operation restrictions by leveraging COMOS project access.

Frequently asked questions

What is CVE-2013-4943?: The client application in Siemens COMOS before 9.1 Update 458, 9.2 before 9.2.0.6.37, and 10.0 before 10.0.3.0.19 allows local users to gain privileges and bypass intended database-operation restrictions by leveraging COMOS project access.
How severe is CVE-2013-4943?: CVE-2013-4943 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2013-4943 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4943?: CVE-2013-4943 primarily affects Siemens Comos. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4943?: 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-2013-4943 published?: CVE-2013-4943 was published on 2013-08-09 and last updated on 2026-06-16.

References

http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-970879.pdf

Affected products (3)

cpe:2.3:a:siemens:comos:9.1:*:*:*:*:*:*:*
cpe:2.3:a:siemens:comos:9.2:*:*:*:*:*:*:*
cpe:2.3:a:siemens:comos:10.0:*:*:*:*:*:*:*

More vulnerabilities in Siemens Comos

CVE-2023-24482 — Critical (CVSS 10.0): A vulnerability has been identified in COMOS V10.2 (All versions), COMOS V10.3.3.1 (All versions < V10.3.3.1.45), COMOS…
CVE-2021-44228 — Critical (CVSS 10.0): Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI features used in…
CVE-2023-46601 — Critical (CVSS 9.6): A vulnerability has been identified in COMOS (All versions). The affected application lacks proper access controls in…
CVE-2023-43505 — Critical (CVSS 9.6): A vulnerability has been identified in COMOS (All versions). The affected application lacks proper access controls in…
CVE-2023-43504 — Critical (CVSS 9.6): A vulnerability has been identified in COMOS (All versions < V10.4.4). Ptmcast executable used for testing cache…
CVE-2021-45046 — Critical (CVSS 9.0): It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was incomplete in certain non-default…

All CVEs affecting Siemens Comos →

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities

CVE-2016-8363 — Critical (CVSS 10.0): An issue was discovered in Moxa OnCell OnCellG3470A-LTE, AWK-1131A/3131A/4131A Series, AWK-3191 Series, AWK-5232/6232…
CVE-2016-7457 — Critical (CVSS 10.0): VMware vRealize Operations (aka vROps) 6.x before 6.4.0 allows remote authenticated users to gain privileges, or halt…
CVE-2015-7425 — Critical (CVSS 10.0): The Data Protection component in the VMware vSphere GUI in IBM Tivoli Storage Manager for Virtual Environments: Data…
CVE-2015-8267 — Critical (CVSS 10.0): The PasswordReset.Controllers.ResetController.ChangePasswordIndex method in PasswordReset.dll in Dovestones AD Self…
CVE-2015-7919 — Critical (CVSS 10.0): SearchBlox 8.3 before 8.3.1 allows remote attackers to write to the config file, and consequently cause a denial of…
CVE-2015-7071 — Critical (CVSS 10.0): The File Bookmark component in Apple OS X before 10.11.2 allows attackers to bypass a sandbox protection mechanism for…

Browse all CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities →