CVE-2011-1739
The makemask function in mountd.c in mountd in FreeBSD 7.4 through 8.2 does not properly handle a...
The makemask function in mountd.c in mountd in FreeBSD 7.4 through 8.2 does not properly handle a -network field specifying a CIDR block with a prefix length that is not an integer multiple of 8, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances via an NFS mount request.
Exploit likelihood
What each source reports
NVD Score used
The makemask function in mountd.c in mountd in FreeBSD 7.4 through 8.2 does not properly handle a -network field specifying a CIDR block with a prefix length that is not an integer multiple of 8, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances via an NFS mount request.
- Record
CVE-2011-1739- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
The makemask function in mountd.c in mountd in FreeBSD 7.4 through 8.2 does not properly handle a -network field specifying a CIDR block with a prefix length that is not an integer multiple of 8, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances via an NFS mount request.
- Record
CVE-2011-1739- Updated
- 2026-11-02
EUVDEUVD-2011-1738 No score
The makemask function in mountd.c in mountd in FreeBSD 7.4 through 8.2 does not properly handle a -network field specifying a CIDR block with a prefix length that is not an integer multiple of 8, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances via an NFS mount request.
- Record
EUVD-2011-1738- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xr9g-g7xh-rw7g No score
The makemask function in mountd.c in mountd in FreeBSD 7.4 through 8.2 does not properly handle a...
The makemask function in mountd.c in mountd in FreeBSD 7.4 through 8.2 does not properly handle a -network field specifying a CIDR block with a prefix length that is not an integer multiple of 8, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances via an NFS mount request.
- Record
GHSA-xr9g-g7xh-rw7g- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-1739 is a medium vulnerability (CVSS 4.3) in Freebsd, published May 3, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.28%, the 70th percentile. No source names a fixed version.
References
vupen.com/english/advisories/2011/1076
security.FreeBSD.org/advisories/FreeBSD-SA-11:01.mountd.asc
securityfocus.com/bid/47517
exchange.xforce.ibmcloud.com/vulnerabilities/66981
securitytracker.com/id?1025425
secunia.com/advisories/44307
nvd.nist.gov/vuln/detail/CVE-2011-1739
github.com/advisories/GHSA-xr9g-g7xh-rw7g