Cleartext transmission of sensitive information in Samba
Priority LOW 27CWE-319Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-319.
Summary
The Samba AD DC administration tool, when operating against a remote LDAP server, will by default send new or reset passwords over a signed-only connection.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00484 41st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Samba | samba 4.18.1, samba 4.17.7, samba 4.16.10 | — | No fix listed | CNA |
- Samba Vendor— Affected samba 4.18.1, samba 4.17.7, samba 4.16.10 Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* | 4.0.0 to before 4.16.10; 4.17.0 to before 4.17.7 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.18.0:-:*:*:*:*:*:* | 4.18.0 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.18.0:rc1:*:*:*:*:*:* | 4.18.0 rc1 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.18.0:rc2:*:*:*:*:*:* | 4.18.0 rc2 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.18.0:rc3:*:*:*:*:*:* | 4.18.0 rc3 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.18.0:rc4:*:*:*:*:*:* | 4.18.0 rc4 | Vulnerable | Samba |
- cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* Versions 4.0.0 to before 4.16.10; 4.17.0 to before 4.17.7 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.18.0:-:*:*:*:*:*:* Versions 4.18.0 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.18.0:rc1:*:*:*:*:*:* Versions 4.18.0 rc1 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.18.0:rc2:*:*:*:*:*:* Versions 4.18.0 rc2 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.18.0:rc3:*:*:*:*:*:* Versions 4.18.0 rc3 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.18.0:rc4:*:*:*:*:*:* Versions 4.18.0 rc4 Vulnerable ·Samba
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Samba — FEDORA-2023-1c172e3264
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2023-00581 Information disclosure in SambaPriority LOW 34
Vendor assessments
Red Hat
Red Hat rating: Moderate. 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-2023-0922
- 2026-10-03 Alias added: GHSA-v9cf-pxq6-w297
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-2023-0922 · CVE Program
- CVE-2023-0922 · NVD
- FIRST EPSS
- GHSA-v9cf-pxq6-w297 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-0922 · 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