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CVE-2022-43958

29
FAUCET Score

CVE-2022-43958 is a critical vulnerability affecting all versions of Siemens QMS Automotive prior to V12.39, where user credentials are stored in plaintext within the database. This allows an unauthenticated attacker to remotely access and steal credentials, leading to full compromise of user accounts and potential impersonation. With a CVSS score of 9.1, this flaw presents a high risk due to its network-based attack vector and low complexity. While no active exploits, public exploit code, or significant community discussion have been observed, the potential for severe impact remains.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:siemens:qms_automotive:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.6HIGH

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
2.1
Impact Score
5.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
24.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 3rd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cert-portal.siemens.com / productcert/pdf/ssa-147266.pdf
cert-portal.siemens.com / productcert/pdf/ssa-587547.pdf
MitigationVendor Advisory