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CVE-2013-1923

12
FAUCET Score

CVE-2013-1923 describes a vulnerability in rpc-gssd within nfs-utils versions prior to 1.2.8, impacting Linux NFS systems. This flaw allows remote attackers to potentially read restricted files by exploiting reverse DNS resolution during GSSAPI authentication through DNS spoofing. The vulnerability has a CVSS score of 3.2 (low severity), indicating an adjacent attack vector with high attack complexity, and a partial impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.2.7CPE 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:*:*:*:*:*:*:*
1.2.3CPE matchmatch criteria
cpe:2.3:a:linux-nfs:nfs-utils:1.2.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.2LOW

AV:A/AC:H/Au:N/C:P/I:P/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
ADJACENT_NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
3.2
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.04%
Probability of exploitation in next 30 days
EPSS Percentile
60.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0104 is in the 82nd percentile among its peer group of 122 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: nfs-utils
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: nfs-utils

Vendor Advisories (1)

redhatCVE-2013-1923Low

nfs-utils: rpc.gssd is vulnerable to DNS spoofing

Apr 2, 2013

References

lists.opensuse.org / opensuse-updates/2013-06/msg00142.html
lists.opensuse.org / opensuse-updates/2013-06/msg00146.html
lists.opensuse.org / opensuse-updates/2013-06/msg00172.html
marc.info
marc.info
bugzilla.redhat.com / show_bug.cgi
exchange.xforce.ibmcloud.com / vulnerabilities/85331
securityfocus.com / bid/58854