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Fencer Vulns
high 7.5

CVE-2007-4994 json

Certificate Server 7.2 in Red Hat Certificate System (RHCS) does not properly handle new revocations that occur while a Certificate Revocat…

published 2007-11-06 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-4975

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

Certificate Server 7.2 in Red Hat Certificate System (RHCS) does not properly handle new revocations that occur while a Certificate Revocation List (CRL) is being generated, which might prevent certain revoked certificates from appearing on the CRL quickly and allow users with revoked certificates to bypass the intended CRL.

Patch / fix

  • rhpki-ca certificate system 7.3 7.3.0-11.el4
  • rhpki-util certificate system 7.3 7.3.0-18.el4
  • rhpki-common certificate system 7.3 7.3.0-34.el4
  • rhpki-ca certificate system 7.2 7.2.0-4
  • rhpki-util certificate system 7.2 7.2.0-4
  • rhpki-common certificate system 7.2 7.2.0-8

red hat advisories RHSA-2008:0566RHSA-2007:0934

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-2007-4994 updated

rhcs CRL can get corrupted

  • Red Hat Certificate System 7.2 for 4AS rhpki-ca 7.2.0-4, rhpki-util 7.2.0-4, rhpki-common 7.2.0-8 Red Hat Certificate System 7.2 for 4ES rhpki-ca 7.2.0-4, rhpki-util 7.2.0-4, rhpki-common 7.2.0-8
    fixed: vendor fix RHSA-2007:0934
  • Red Hat Certificate System 7.3 for 4AS rhpki-ca 7.3.0-11.el4, rhpki-util 7.3.0-18.el4, rhpki-common 7.3.0-34.el4 Red Hat Certificate System 7.3 for 4ES rhpki-ca 7.3.0-11.el4, rhpki-util 7.3.0-18.el4, rhpki-common 7.3.0-34.el4
    fixed: vendor fix RHSA-2008:0566

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

1.11% chance of exploitation in the next 30 days, higher than 66% 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

Weakness
  • CWE-255 Credentials Management Errors

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.