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CVE-2011-1749

15
FAUCET Score

CVE-2011-1749 describes a vulnerability in the nfs-utils package, specifically affecting the mount.nfs tool, where the nfs_addmntent function fails to check resource limits before writing to /etc/mtab. This oversight allows local users to corrupt the /etc/mtab file by exploiting a small RLIMIT_FSIZE value. The vulnerability has a CVSS score of 3.3, indicating low severity with local access and medium attack complexity, potentially leading to partial integrity and availability impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.2.3CPE matchmatch criteria
cpe:2.3:a:linux-nfs:nfs-utils:*:*:*:*:*:*:*:*
1.2.0CPE matchmatch criteria
cpe:2.3:a:linux-nfs:nfs-utils:1.2.0:*:*:*:*:*:*:*
1.2.1CPE matchmatch criteria
cpe:2.3:a:linux-nfs:nfs-utils:1.2.1:*:*:*:*:*:*:*
1.2.2CPE matchmatch criteria
cpe:2.3:a:linux-nfs:nfs-utils:1.2.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.3LOW

AV:L/AC:M/Au:N/C:N/I:P/A:P

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 61st percentile among its peer group of 747 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: nfs-utils-1:1.0.9-60.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: nfs-utils-1:1.2.3-15.el6
View patch

Vendor Advisories (1)

redhatCVE-2011-1749Low

nfs-utils: mount.nfs fails to anticipate RLIMIT_FSIZE

Apr 19, 2011

References

rhn.redhat.com / errata/RHSA-2011-1534.html
rhn.redhat.com / errata/RHSA-2012-0310.html
Patch
bugzilla.redhat.com / show_bug.cgi
sourceforge.net / projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.2.4/download
Patch
openwall.com / lists/oss-security/2011/04/25/5