How severe is CVE-2013-0281?

CVE-2013-0281 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-0281 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-0281?

CVE-2013-0281 primarily affects Redhat Enterprise Linux. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-0281?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-0281 published?

CVE-2013-0281 was published on 2013-11-23 and last updated on 2026-06-16.

CVE-2013-0281

CVE-2013-0281 is a medium-severity vulnerability in Redhat Enterprise Linux with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Redhat Enterprise Linux
Published: 2013-11-23
Last modified: 2026-06-16

Description

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).

Frequently asked questions

What is CVE-2013-0281?: 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).
How severe is CVE-2013-0281?: CVE-2013-0281 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-0281 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-0281?: CVE-2013-0281 primarily affects Redhat Enterprise Linux. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-0281?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-0281 published?: CVE-2013-0281 was published on 2013-11-23 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:a:clusterlabs:pacemaker:1.1.10:*:*:*:*:*:*:*

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