Authentication bypass by spoofing in samba
Priority MEDIUM 40CWE-290Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-290.
Summary
A flaw was found in Samba. The KDC accepts kpasswd requests encrypted with any key known to it. By encrypting forged kpasswd requests with its own key, a user can change other users' passwords, enabling full domain takeover.
Why it matters now
EPSS 0.01192 68th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | samba | Versions prior to samba 4.16.4, samba 4.15.9, samba 4.14.14 | — | No fix listed | CNA |
- samba Vendor— Affected Versions prior to samba 4.16.4, samba 4.15.9, samba 4.14.14 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* | 4.3.0 to before 4.14.14; 4.15.0 to before 4.15.9; 4.16.0 to before 4.16.4 | Vulnerable | Samba |
- cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* Versions 4.3.0 to before 4.14.14; 4.15.0 to before 4.15.9; 4.16.0 to before 4.16.4 Vulnerable ·Samba
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Storage 3
Timeline
- 2026-10-02 Threatist record created from CVE-2022-32744
- 2026-10-03 Alias added: GHSA-6p44-5x7x-8vxj
References
More Samba vulnerabilities
- TI-2020-01431 Netlogon Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2017-05139 Code injection in samba KEVCVSS 3.1CRITICAL 9.8
- TI-2015-00210 The Netlogon server implementation in smbd in Samba 3.5.x and 3.6.x before 3.6.25, 4.0.x… CVSS 2.0HIGH 10.0
- TI-2003-00081 Buffer overflow in the SMB/CIFS packet fragment re-assembly code for SMB daemon (smbd) in… CVSS 2.0HIGH 10.0
- TI-2003-00185 Buffer overflow in the call_trans2open function in trans2.c for Samba 2.2.x before… CVSS 2.0HIGH 10.0
- TI-2007-02362 Multiple heap-based buffer overflows in the NDR parsing in smbd in Samba 3.0.0 through… CVSS 2.0HIGH 10.0
Sources
- CVE-2022-32744 · CVE Program
- CVE-2022-32744 · NVD
- FIRST EPSS
- GHSA-6p44-5x7x-8vxj · GitHub Advisory Database · CC BY 4.0
- CVE-2022-32744 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences