HOMEVULNERABILITIESCVE-2014-3687
HIGH

CVE-2014-3687

CWE-400Published: November 10, 2014· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

The sctp_assoc_lookup_asconf_ack function in net/sctp/associola.c in the SCTP implementation in the Linux kernel through 3.17.2 allows remote attackers to cause a denial of service (panic) via duplicate ASCONF chunks that trigger an incorrect uncork within the side-effect interpreter.

NVD Source

Technical Analysis

CVE-2014-3687 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 availability disruption (denial of service), 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
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
Linux1 product(s)
linux kernel
novell2 product(s)
suse linux enterprise desktopsuse linux enterprise server
openSUSE1 product(s)
evergreen
Oracle1 product(s)
linux
Red Hat1 product(s)
enterprise mrg
SUSE4 product(s)
linux enterprise real time extensionlinux enterprise software development kitlinux enterprise workstation extensionsuse linux enterprise server
Source: NVD CPE · 14 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (44)

Quick Facts

CVE IDCVE-2014-3687
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-400
CISA KEVNo
Affected8 vendor(s)
PublishedNov 10, 2014

Related CVEs (CWE-400)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2014-3687 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.