Cyber Resilience

CVE-2023-50356

Medium

Published: 31 January 2024

Published
31 January 2024
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L
EPSS Score 0.0013 31.9th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-50356 is a medium-severity Improper Certificate Validation (CWE-295) vulnerability in Areal-Topkapi Vision Server. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 31.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

SSL connections to some LDAP servers are vulnerable to a man-in-the-middle attack due to improper certificate validation in AREAL Topkapi Vision (Server). This allows a remote unauthenticated attacker to gather sensitive information and prevent valid users from login.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

areal-topkapi
vision server
≤ 6.2.4719

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-295

When certificates are used to establish component provenance, the control requires correct certificate validation procedures.

addresses: CWE-295

Mandates approved trust anchors and issuance policies, directly preventing acceptance of unvalidated or untrusted certificates.

addresses: CWE-295

Correct system time is required for proper enforcement of certificate notBefore/notAfter dates and time-based revocation checks.

References