rpc-gssd in nfs-utils before 1.2.8 performs reverse DNS resolution for server names during GSSAPI authentication, which might allow remote attackers to read otherwise-restricted files via DNS spoofing attacks.
Conclusion & alert: CVE-2013-1923 is rated Low Risk (31.9/100): CVSS Low severity, with medium exploitation likelihood (EPSS 0.36%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-30 | 0.73% | 0.36% | -0.36% |
| 2 | 2025-03-29 | 0.36% | 0.73% | +0.36% |
| 3 | 2025-03-17 | — | 0.36% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 3.2 | 2.0 | LOW |
|
3.2 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2013-1923 low priority: Debian including 1 source packages (nfs-utils), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2013-1923 |
gentoo
|
normal | CVE-2013-1923: 1 GLSA(s) (201412-02), 1 atom(s) (net-fs/nfs-utils); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-1923 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2013-1923 |
ubuntu
|
low | CVE-2013-1923 low priority: Ubuntu including 1 source packages (nfs-utils), 23 status rows across 23 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hardy, hirsute, lucid, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 16, ignored 6, released 1. | https://ubuntu.com/security/CVE-2013-1923 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| linux-nfs | nfs-utils | <= 1.2.7 | cpe:2.3:a:linux-nfs:nfs-utils:*:*:*:*:*:*:*:* |
| linux-nfs | nfs-utils | 1.2.0 | cpe:2.3:a:linux-nfs:nfs-utils:1.2.0:*:*:*:*:*:*:* |
| linux-nfs | nfs-utils | 1.2.1 | cpe:2.3:a:linux-nfs:nfs-utils:1.2.1:*:*:*:*:*:*:* |
| linux-nfs | nfs-utils | 1.2.2 | cpe:2.3:a:linux-nfs:nfs-utils:1.2.2:*:*:*:*:*:*:* |
| linux-nfs | nfs-utils | 1.2.3 | cpe:2.3:a:linux-nfs:nfs-utils:1.2.3:*:*:*:*:*:*:* |
| linux-nfs | nfs-utils | 1.2.4 | cpe:2.3:a:linux-nfs:nfs-utils:1.2.4:*:*:*:*:*:*:* |
| linux-nfs | nfs-utils | 1.2.5 | cpe:2.3:a:linux-nfs:nfs-utils:1.2.5:*:*:*:*:*:*:* |
| linux-nfs | nfs-utils | 1.2.6 | cpe:2.3:a:linux-nfs:nfs-utils:1.2.6:*:*:*:*:*:*:* |