Critical severity · published Mar 6, 2023
CVE-2022-45141
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…
9.8
CVSS
0.5%
EPSS
No
On KEV
Description
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).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SA
Samba · Samba
before 4.15.13; 4.16.0 before 4.16.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-45141
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-45141
security.gentoo.org
https://security.gentoo.org/glsa/202309-06
Vendor Advisory
https://www.samba.org/samba/security/CVE-2022-45141.html
More from Samba
9.8
CVE-2017-7494
Samba Remote Code Execution Vulnerability
5.5
CVE-2020-1472
Netlogon Elevation of Privilege Vulnerability
9.8
CVE-2026-4408
Samba: remote code execution in samr
9.8
CVE-2023-3961
A path traversal vulnerability was identified in Samba when processing client pipe names connecting to Unix domain sockets within a private directory
9.8
CVE-2022-44640
Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the ASN.1 codec used by the Key Distribution Center (KDC)