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Fencer Intel
medium 4.4

CVE-2011-3603 json

The router advertisement daemon (radvd) before 1.8.2 does not properly handle errors in the privsep_init function, which causes the radvd d…

published 2014-04-27 12 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3562

cvss
4.4
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits
0
none known

Summary

The router advertisement daemon (radvd) before 1.8.2 does not properly handle errors in the privsep_init function, which causes the radvd daemon to run as root and has an unspecified impact.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-3603 updated cvss 4.4

radvd: daemon would not fail on privsep_init() causing it to run with full root privileges

  • Red Hat Enterprise Linux 4 radvd Red Hat Enterprise Linux 5 radvd Red Hat Enterprise Linux 6 radvd
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.4 AV:L/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.