High severity · published Aug 25, 2022
CVE-2022-2031
A flaw was found in Samba
8.8
CVSS
1.3%
EPSS
No
On KEV
Description
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 password, can exploit this flaw to obtain and use tickets to other services.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SA
Samba · Samba
before 4.14.14; 4.15.0 before 4.15.9; 4.16.0 before 4.16.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-2031
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-2031
security.gentoo.org
https://security.gentoo.org/glsa/202309-06
Vendor Advisory
https://www.samba.org/samba/security/CVE-2022-2031.html
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