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Fencer Vulns
critical 9.3

CVE-2004-2687 in the critical feed json

distcc 2.x, as used in XCode 1.5 and others, when not configured to restrict access to the server port, allows remote attackers to execute…

published 2004-12-31 21 y ago modified 2026-06-16 4 mo ago also EUVD-2004-2677

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
87.4%
EPSS 87.4% chance of exploitation in 30 days, percentile 99.7%
public exploits
2
Metasploit, Exploit-DB, plus a Nuclei check

Summary

distcc 2.x, as used in XCode 1.5 and others, when not configured to restrict access to the server port, allows remote attackers to execute arbitrary commands via compilation jobs, which are executed by the server without authorization checks.

Patch / fix

  • distcc Debian 14, Debian 13, Debian 12 2.18.1-1

debian advisories DEBIAN-CVE-2004-2687

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-2004-2687 updated cvss 7.5

distcc: TCP mode has too permissive default IP address whitelist

  • Red Hat All currently supported Red Hat products
    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

Timeline

  1. First public exploit (Metasploit exploit/unix/misc/distcc_exec)
  2. Published

Exploit prediction

87.36% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness

References

Sources

Fencer Vulns 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.