HOMEVULNERABILITIESCVE-2015-3276
HIGH

CVE-2015-3276

NVD-CWE-noinfoPublished: December 7, 2015· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

The nss_parse_ciphers function in libraries/libldap/tls_m.c in OpenLDAP does not properly parse OpenSSL-style multi-keyword mode cipher strings, which might cause a weaker than intended cipher to be used and allow remote attackers to have unspecified impact via unknown vectors.

NVD Source

Technical Analysis

CVE-2015-3276 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

openldap1 product(s)
openldap
Oracle1 product(s)
linux
Red Hat7 product(s)
enterprise linux desktopenterprise linux eusenterprise linux hpc nodeenterprise linux serverenterprise linux server ausenterprise linux server tusenterprise linux workstation
Source: NVD CPE · 18 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://bugzilla.redhat.com/show_bug.cgi?id=1238322
PATCHhttps://bugzilla.redhat.com/show_bug.cgi?id=1238322
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2015-2131.html
ADVISORYhttp://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
ADVISORYhttp://www.securitytracker.com/id/1034221
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2015-2131.html
ADVISORYhttp://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
ADVISORYhttp://www.securitytracker.com/id/1034221

All References (8)

→
http://rhn.redhat.com/errata/RHSA-2015-2131.htmlThird Party Advisory
→
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlThird Party Advisory
→
http://www.securitytracker.com/id/1034221Broken Link · Third Party Advisory · VDB Entry
→
https://bugzilla.redhat.com/show_bug.cgi?id=1238322Issue Tracking · Patch · Third Party Advisory
→
http://rhn.redhat.com/errata/RHSA-2015-2131.htmlThird Party Advisory
→
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlThird Party Advisory
→
http://www.securitytracker.com/id/1034221Broken Link · Third Party Advisory · VDB Entry
→
https://bugzilla.redhat.com/show_bug.cgi?id=1238322Issue Tracking · Patch · Third Party Advisory

Quick Facts

CVE IDCVE-2015-3276
CVSS Score7.5 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected3 vendor(s)
PublishedDec 7, 2015

Related CVEs (NVD-CWE-noinfo)

CVE-2009-2722
10.0
CVE-2005-4007
10.0
CVE-2026-46800
10.0
CVE-2009-2721
10.0
CVE-2009-2723
10.0
CVE-2005-4200
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2015-3276 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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