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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…
High7.5EPSS 2.6%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Timeline
ID reserved
By redhat
- 3 years later
· 3 years later
Published
- 10 years later
· 10 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 2.6% · top 15% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (5)
- https://bugzilla.redhat.com/show_bug.cgi?id=716949 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.2.4/download (opens in a new tab)x_refsource_CONFIRMx_transferred
- [linux-nfs] 20110622 [PATCH] nfs: fix host_reliable_addrinfo (try #2) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2011:1534 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/ (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-2500)Record last updated .