CVE-2013-0281

Exp

Pacemaker 1.1.10, when remote Cluster Information Base (CIB) configuration or resource management is enabled, does not limit the duration of connections to the blocking sockets, which allows remote attackers to cause a denial of service (connection blocking).

Published: 2013-11-23 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-0281 is rated High Exploit Risk (64.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.00%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.33% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2013-0281

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-0281

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.66% 3.00% +2.33%
2 2025-03-30 1.88% 0.66% -1.21%
3 2025-03-29 1.88%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-0281

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2013-0281

OS Trackers for CVE-2013-0281

vendor priority summary link
debian low CVE-2013-0281 low priority: Debian including 1 source packages (pacemaker), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-0281
redhat low https://access.redhat.com/security/cve/CVE-2013-0281
ubuntu low CVE-2013-0281 low priority: Ubuntu including 1 source packages (pacemaker), 15 status rows across 15 suites (hardy, lucid, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 6, not-affected 6, DNE 2, needed 1. https://ubuntu.com/security/CVE-2013-0281

Affected software / configurations for CVE-2013-0281

Vendor Product Version Raw CPE
redhat enterprise_linux 6.0 cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
clusterlabs pacemaker 1.1.10 cpe:2.3:a:clusterlabs:pacemaker:1.1.10:*:*:*:*:*:*:*

References for CVE-2013-0281

cvelogic Threat Intelligence