Format string vulnerability in the osLogMsg function in server/os/aulog.c in Network Audio System (NAS) 1.9.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers in unspecified vectors, related to syslog.
Conclusion & alert: CVE-2013-4258 is rated High Exploit Risk (79.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.08%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.85% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-06-15 | 1.23% | 4.08% | +2.85% |
| 2 | 2025-11-30 | 1.65% | 1.23% | -0.42% |
| 3 | 2025-08-28 | — | 1.65% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2013-4258 not yet assigned priority: Debian including 1 source packages (nas), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2013-4258 |
gentoo
|
normal | CVE-2013-4258: 1 GLSA(s) (201406-22), 1 atom(s) (media-libs/nas); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-4258 |
ubuntu
|
medium | CVE-2013-4258 medium priority: Ubuntu including 1 source packages (nas), 5 status rows across 5 suites (lucid, precise, quantal, raring, upstream): not-affected 3, ignored 1, needed 1. | https://ubuntu.com/security/CVE-2013-4258 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| radscan | network_audio_system | 1.9.3 | cpe:2.3:a:radscan:network_audio_system:1.9.3:*:*:*:*:*:*:* |