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Fencer Vulns
high 7.5

CVE-2008-1676 json

Red Hat PKI Common Framework (rhpki-common) in Red Hat Certificate System (aka Certificate Server or RHCS) 7.1 through 7.3, and Netscape Ce…

published 2008-07-07 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-1677

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 65%
public exploits
0
none known

Summary

Red Hat PKI Common Framework (rhpki-common) in Red Hat Certificate System (aka Certificate Server or RHCS) 7.1 through 7.3, and Netscape Certificate Management System 6.x, does not recognize Certificate Authority profile constraints on Extensions, which might allow remote attackers to bypass intended restrictions and conduct man-in-the-middle attacks by submitting a certificate signing request (CSR) and using the resulting certificate.

Patch / fix

  • rhpki-common certificate system 7.2 7.2.0-11
  • rhpki-common certificate system 7.3 7.3.0-29.el4

red hat advisories RHSA-2008:0577RHSA-2008:0500

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-2008-1676 updated cvss 7.5

System: incorrect handling of Extensions in CSRs (cs71)

  • Red Hat Certificate System 7.2 for 4AS rhpki-common 7.2.0-11 Red Hat Certificate System 7.2 for 4ES rhpki-common 7.2.0-11
    fixed: vendor fix RHSA-2008:0577
  • Red Hat Certificate System 7.3 for 4AS rhpki-common 7.3.0-29.el4 Red Hat Certificate System 7.3 for 4ES rhpki-common 7.3.0-29.el4
    fixed: vendor fix RHSA-2008:0500

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

1.07% chance of exploitation in the next 30 days, higher than 65% 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.