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CVE-2013-4943

18
FAUCET Score

CVE-2013-4943 describes a privilege escalation vulnerability in the client application of Siemens COMOS versions prior to 9.1 Update 458, 9.2.0.6.37, and 10.0.3.0.19. This flaw allows a local attacker with existing COMOS project access to bypass database operation restrictions and gain elevated privileges. With a CVSS score of 7.2 (High), the vulnerability is easily exploitable with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
9.1CPE matchmatch criteria
cpe:2.3:a:siemens:comos:9.1:*:*:*:*:*:*:*
9.2CPE matchmatch criteria
cpe:2.3:a:siemens:comos:9.2:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:a:siemens:comos:10.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

AV:L/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
35.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 51st percentile among its peer group of 3,241 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

siemens.com / corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-970879.pdf
Vendor Advisory