CVE-2014-8143: samba
Vulnerability summary
CVE-2014-8143 is a high (CVSS 8.5) vulnerability in samba. EPSS estimates a 4.26% chance of exploitation in the next 30 days, higher than 91% of scored vulnerabilities.
Not severe (CVSS 8.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 17-01-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Samba 4.0.x before 4.0.24, 4.1.x before 4.1.16, and 4.2.x before 4.2rc4, when an Active Directory Domain Controller (AD DC) is configured, allows remote authenticated users to set the LDB userAccountControl UF_SERVER_TRUST_ACCOUNT bit, and consequently gain privileges, by leveraging delegation of authority for user-account or computer-account creation.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
4.26%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.26% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, authentication (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- samba< 2:4.1.17+dfsg-1
Samba1 product
- sambaEOL4.0.0 | 4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.0.5 | 4.0.6 | 4.0.7 | 4.0.8 | 4.0.9 | 4.0.10 | 4.0.11 | 4.0.12 | 4.0.13 | 4.0.14 | 4.0.15 | 4.0.16 | 4.0.17 | 4.0.18 | 4.0.19 | 4.0.20 | 4.0.21 | 4.0.22 | 4.0.23 | 4.1.0 | 4.1.1 | 4.1.2 | 4.1.3 | 4.1.4 | 4.1.5 | 4.1.6 | 4.1.7 | 4.1.8 | 4.1.9 | 4.1.10 | 4.1.11 | 4.1.12 | 4.1.13 | 4.1.14 | 4.1.15 | 4.2.0:rc1 | 4.2.0:rc2 | 4.2.0:rc3
Ubuntu1 product
- samba< 2:4.1.6+dfsg-1ubuntu2.14.04.4
3 vendors · 3 products
References
15 links- www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.416326Vendor AdvisoryX Refsource SLACKWARE
- download.samba.org/pub/samba/patches/security/samba-4.1.15-CVE-2014-8143.patchX Refsource CONFIRMPatchREPORT
- download.samba.org/pub/samba/patches/security/samba-4.0.23-CVE-2014-8143.patchX Refsource CONFIRMPatchREPORT