Improper privilege management in samba
Priority LOW 23CWE-266Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Partial Red Hat: 13 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-266.
Summary
A flaw was found in the way samba handled file and directory permissions. An authenticated user could use this flaw to gain access to certain file and directory information which otherwise would be unavailable to the attacker.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0154 75th percentileScored 2026-11-07
Fix Partial Red Hat: 3 advisoriesRed Hat: 13 fixed, 1 without a fix
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 4.11.15, samba 4.12.9, samba 4.13.1 | — | No fix listed | CNA |
- samba Vendor— Affected samba 4.11.15, samba 4.12.9, samba 4.13.1 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* | 3.6.0 to before 4.11.15; 4.12.0 to before 4.12.9; 4.13.0 to before 4.13.1 | Vulnerable | Samba |
| cpe:2.3:a:redhat:storage:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Red Hat |
- cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* Versions 3.6.0 to before 4.11.15; 4.12.0 to before 4.12.9; 4.13.0 to before 4.13.1 Vulnerable ·Samba
- cpe:2.3:a:redhat:storage:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
Remediation
Red Hat 3 advisories
- RHSA-2021:3723 Released 2021-10-05 · Red Hat rating Moderatesamba security, bug fix and enhancement update
- Red Hat Gluster 3.5 Samba on RHEL-7 ctdb-4.11.6-112.el7rhgs, libsmbclient-4.11.6-112.el7rhgs, libsmbclient-devel-4.11.6-112.el7rhgs +18
- RHSA-2021:1647 Released 2021-05-18 · Red Hat rating Moderatesamba security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 8) libsmbclient-devel-4.13.3-3.el8, libwbclient-devel-4.13.3-3.el8, samba-devel-4.13.3-3.el8
- Red Hat Enterprise Linux AppStream (v. 8) openchange-2.3-27.el8
- Red Hat Enterprise Linux BaseOS (v. 8) ctdb-4.13.3-3.el8, ctdb-tests-4.13.3-3.el8, libsmbclient-4.13.3-3.el8 +19
- RHSA-2020:5439 Released 2020-12-15 · Red Hat rating Moderatesamba security and bug fix update
- Red Hat Enterprise Linux Client (v. 7) libsmbclient-4.10.16-9.el7_9, libwbclient-4.10.16-9.el7_9, samba-4.10.16-9.el7_9 +10
- Red Hat Enterprise Linux Client Optional (v. 7) libsmbclient-devel-4.10.16-9.el7_9, libwbclient-devel-4.10.16-9.el7_9, samba-4.10.16-9.el7_9 +10
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) libsmbclient-devel-4.10.16-9.el7_9, libwbclient-devel-4.10.16-9.el7_9, samba-4.10.16-9.el7_9 +11
- Red Hat Enterprise Linux Server (v. 7) libsmbclient-4.10.16-9.el7_9, libsmbclient-4.10.16-9.el7_9.ppc, libwbclient-4.10.16-9.el7_9 +17
- Red Hat Enterprise Linux Server Optional (v. 7) libsmbclient-devel-4.10.16-9.el7_9, libsmbclient-devel-4.10.16-9.el7_9.ppc, libwbclient-devel-4.10.16-9.el7_9 +14
- Red Hat Enterprise Linux Server Resilient Storage (v. 7) ctdb-4.10.16-9.el7_9, ctdb-tests-4.10.16-9.el7_9
- Red Hat Enterprise Linux Workstation (v. 7) libsmbclient-4.10.16-9.el7_9, libwbclient-4.10.16-9.el7_9, samba-4.10.16-9.el7_9 +11
- Red Hat Enterprise Linux Workstation Optional (v. 7) libsmbclient-devel-4.10.16-9.el7_9, libwbclient-devel-4.10.16-9.el7_9, samba-dc-4.10.16-9.el7_9 +8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2021:1647 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2021:1647 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2021:1647 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2020:5439 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2020:5439 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2020:5439 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2020:5439 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2020:5439 |
| Red Hat Enterprise Linux Server Resilient Storage (v. 7) | Fixed | RHSA-2020:5439 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2020:5439 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2020:5439 |
| Red Hat Gluster 3.5 Samba on RHEL-7 | Fixed | RHSA-2021:3723 |
| Red Hat Gluster 3.5 Samba on RHEL-8 | Fixed | — |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-14318
- 2026-10-03 Alias added: GHSA-9qj5-fxqg-6g9p
References
Sources
- CVE-2020-14318 · CVE Program
- CVE-2020-14318 · NVD
- FIRST EPSS
- GHSA-9qj5-fxqg-6g9p · GitHub Advisory Database · CC BY 4.0
- CVE-2020-14318 · 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