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No exploitation reportedFix available

CVE-2015-7560

No exploitation reported by the sources we read.

  • Published2016-03-13
  • Fixed in4.3.6 · 4.2.9 · 4.1.23
  • WeaknessCWE-284

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The SMB1 implementation in smbd in Samba 3.x and 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4 allows remote authenticated users to modify arbitrary ACLs by using a UNIX SMB1 call to create a symlink, and then using a non-UNIX SMB1 call to write to the ACL content.

Timeline

dates in UTC
  1. 2016-03-1322:59CVE publishedNVD
  2. 2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2015-7560?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2015-7560?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Samba
BranchAffectedFixed in
4.3≥ 4.3.0, < 4.3.64.3.6
4.2≥ 4.2.0, < 4.2.94.2.9
4.1≥ 3.2.0, < 4.1.234.1.23
4.4= 4.4.0no fix published
Canonical ubuntu linux
BranchAffectedFixed in
12.4= 12.04no fix published
14.4= 14.04no fix published
15.10= 15.10no fix published
Debian debian linux
BranchAffectedFixed in
7.0= 7.0no fix published
8.0= 8.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • sambaUbuntu:16.04:LTSall versions · fixed in 2:4.3.6+dfsg-1ubuntu1
  • sambaUbuntu:14.04:LTSall versions · fixed in 2:4.1.6+dfsg-1ubuntu2.14.04.13
  • sambaSUSE:Linux Enterprise Software Development Kit 12 SP1all versions · fixed in 4.2.4-11.1
  • sambaSUSE:Linux Enterprise Software Development Kit 12all versions · fixed in 4.1.12-18.8.1
  • sambaSUSE:Linux Enterprise Software Development Kit 11 SP4all versions · fixed in 3.6.3-67.2
  • sambaSUSE:Linux Enterprise Server for SAP Applications 12 SP1all versions · fixed in 4.2.4-11.1
  • sambaSUSE:Linux Enterprise Server for SAP Applications 12all versions · fixed in 4.1.12-18.8.1
  • sambaSUSE:Linux Enterprise Server for SAP Applications 11 SP4all versions · fixed in 3.6.3-67.2and 1 other package

29 more package ranges on OSV.dev

Full record on NVD

Fix

  1. Update Samba to 4.3.6 · 4.2.9 · 4.1.23

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.16.5read 2026-10-23
  • NVDCVSS 2.04read 2026-10-23
  • NVDweakness (CWE)CWE-284read 2026-10-23
  • FIRST EPSSEPSS score12.9 %read 2026-11-03
  • OSVaffected packages—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Published
2016-03-13
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2015-7560?

The SMB1 implementation in smbd in Samba 3.x and 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4 allows remote authenticated users to modify arbitrary ACLs by using a UNIX SMB1 call to create a symlink, and then using a non-UNIX SMB1 call to write to the ACL content.

Is CVE-2015-7560 actively exploited?

Active exploitation of CVE-2015-7560 has not been confirmed. Its EPSS score was 12.9% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2015-7560?

CVE-2015-7560 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

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