How severe is CVE-2011-2500?

CVE-2011-2500 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2011-2500 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2500?

CVE-2011-2500 primarily affects Linux-nfs Nfs-utils. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2500?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2011-2500 published?

CVE-2011-2500 was published on 2014-02-15 and last updated on 2026-06-16.

CVE-2011-2500

CVE-2011-2500 is a high-severity vulnerability in Linux-nfs Nfs-utils with a CVSS 2.0 base score of 7.5. 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-264.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Linux-nfs Nfs-utils
Published: 2014-02-15
Last modified: 2026-06-16

Description

The host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does not properly use DNS to verify access to NFS exports, which allows remote attackers to mount filesystems by establishing crafted DNS A and PTR records.

Frequently asked questions

What is CVE-2011-2500?: The host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does not properly use DNS to verify access to NFS exports, which allows remote attackers to mount filesystems by establishing crafted DNS A and PTR records.
How severe is CVE-2011-2500?: CVE-2011-2500 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2011-2500 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2500?: CVE-2011-2500 primarily affects Linux-nfs Nfs-utils. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2500?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2011-2500 published?: CVE-2011-2500 was published on 2014-02-15 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:linux-nfs:nfs-utils:*:*:*:*:*:*:*:*
cpe:2.3:a:linux-nfs:nfs-utils:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:linux-nfs:nfs-utils:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:linux-nfs:nfs-utils:1.2.2:*:*:*:*:*:*:*

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