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Fencer Intel
critical 10.0

CVE-2012-2653 json

arpwatch 2.1a15, as used by Red Hat, Debian, Fedora, and possibly others, does not properly drop supplementary groups, which might allow at…

published 2012-07-12 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-2639

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.2%
EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

arpwatch 2.1a15, as used by Red Hat, Debian, Fedora, and possibly others, does not properly drop supplementary groups, which might allow attackers to gain root privileges by leveraging other vulnerabilities in the daemon.

Patch / fix

  • arpwatch Debian 14, Debian 13, Debian 12 2.1a15-1.2

debian advisories DEBIAN-CVE-2012-2653

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-2012-2653 updated cvss 3.3

arpwatch: fails to drop supplementary groups

  • Red Hat Enterprise Linux 6 arpwatch
    affected: no fix planned “Will not fix”

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

3.20% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

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.