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Fencer Vulns
high 7.5

CVE-2003-0987 json

mod_digest for Apache before 1.3.31 does not properly verify the nonce of a client response by using a AuthNonce secret.

published 2004-02-03 22 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0977

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.6%
EPSS 5.6% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

mod_digest for Apache before 1.3.31 does not properly verify the nonce of a client response by using a AuthNonce secret.

Patch / fix

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-2003-0987 updated

httpd mod_digest nonce not verified

  • Red Hat Enterprise Linux ES version 2.1 Red Hat Enterprise Linux WS version 2.1 Red Hat Linux Advanced Workstation 2.1
    fixed: vendor fix RHSA-2004:600
  • Red Hat Stronghold 4
    fixed: vendor fix RHSA-2004:653
  • Red Hat Stronghold 4.0 for Red Hat Enterprise Linux AS (version 2.1)
    fixed: vendor fix RHSA-2005:816

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

5.56% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

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.