CVE-2023-50178
Published: 09 July 2024
Summary
CVE-2023-50178 is a high-severity Improper Certificate Validation (CWE-295) vulnerability in Fortinet Fortiadc. Its CVSS base score is 7.4 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Adversary-in-the-Middle (T1557); ranked at the 36.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-55000
Vulnerability details
An improper certificate validation vulnerability [CWE-295] in FortiADC 7.4.0, 7.2.0 through 7.2.3, 7.1 all versions, 7.0 all versions, 6.2 all versions, 6.1 all versions and 6.0 all versions may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack…
more
on the communication channel between the device and various remote servers such as private SDN connectors and FortiToken Cloud.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The improper client-side certificate validation vulnerability (CWE-295) in FortiADC enables a remote unauthenticated attacker to perform man-in-the-middle (MitM) attacks on secure communication channels to remote servers like SDN connectors and FortiToken Cloud, directly facilitating T1557 Adversary-in-the-Middle.
Affected Assets
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.
When certificates are used to establish component provenance, the control requires correct certificate validation procedures.
Mandates approved trust anchors and issuance policies, directly preventing acceptance of unvalidated or untrusted certificates.
Correct system time is required for proper enforcement of certificate notBefore/notAfter dates and time-based revocation checks.