CVE-2022-45141

9.8 criticalEPSS 0.5%

Critical (9.8) in samba samba. EPSS 0.5% chance of exploitation in the next 30 days.

Since the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability was disclosed by Microsoft on Nov 8 2022 and per RFC8429 it is assumed that rc4-hmac is weak, Vulnerable Samba Active Directory DCs will issue rc4-hmac encrypted tickets despite the target server supporting better encryption (eg aes256-cts-hmac-sha1-96).

Severity

CVSS 3.1

9.8 critical

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)
CWEs: CWE-328, CWE-326
Published: 2023-03-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

samba:samba

References

https://security.gentoo.org/glsa/202309-06
https://www.samba.org/samba/security/CVE-2022-45141.html
https://security.gentoo.org/glsa/202309-06
https://www.samba.org/samba/security/CVE-2022-45141.html

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