CVE-2022-2031
Published: 25 August 2022
Summary
CVE-2022-2031 is a high-severity Authentication Bypass Using an Alternate Path or Channel (CWE-288) vulnerability in Samba Samba. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 42.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-34335
Vulnerability details
A flaw was found in Samba. The security vulnerability occurs when KDC and the kpasswd service share a single account and set of keys, allowing them to decrypt each other's tickets. A user who has been requested to change their…
more
password, can exploit this flaw to obtain and use tickets to other services.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
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.
Detects unauthorized successful logons resulting from improper authentication implementations.
Requires adaptive authentication under specific conditions, directly strengthening authentication mechanisms against improper or insufficient authentication.
Identity providers centralize and enforce authentication mechanisms, reducing improper authentication.
Mandates unique identification and authentication of non-organizational users, directly mitigating improper authentication.
Authorizing remote access reduces the ability to bypass authentication via unauthorized alternate remote channels.
Documented procedures ensure personnel are trained on authentication mechanisms, tangibly lowering the risk of improper authentication being exploited.
Security awareness training instructs users on secure authentication practices and avoiding credential compromise.
Training on authentication mechanisms and best practices decreases the occurrence of improper authentication.