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CVE-2023-25957

23
FAUCET Score

CVE-2023-25957 is an authentication bypass vulnerability affecting multiple versions of the Mendix SAML module across Mendix 7, 8, and 9 compatible tracks. The flaw stems from insufficient verification of SAML assertions, allowing unauthenticated remote attackers to gain unauthorized access to applications. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to full confidentiality compromise. While no public exploit code or active exploitation has been confirmed, the vulnerability has garnered some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.16.4, < 1.17.2CPE matchmatch criteria
cpe:2.3:a:mendix:saml:*:*:*:*:*:mendix:*:*
>= 2.2.0, < 2.2.3CPE matchmatch criteria
cpe:2.3:a:mendix:saml:*:*:*:*:*:mendix:*:*
>= 3.1.9, < 3.2.5CPE matchmatch criteria
cpe:2.3:a:mendix:saml:*:*:*:*:*:mendix:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.58%
Probability of exploitation in next 30 days
EPSS Percentile
44.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0058 is in the 21st percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

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

cert-portal.siemens.com / productcert/pdf/ssa-851884.pdf
Third Party Advisory