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Fencer Intel
medium 5.9

CVE-2017-7537 json

It was found that a mock CMC authentication plugin with a hardcoded secret was accidentally enabled by default in the pki-core package befo…

published 2018-07-26 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16550

cvss
5.9
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

It was found that a mock CMC authentication plugin with a hardcoded secret was accidentally enabled by default in the pki-core package before 10.6.4. An attacker could potentially use this flaw to bypass the regular authentication process and trick the CA server into issuing certificates.

Patch / fix

  • dogtagpki dogtagpki 10.6.4
  • dogtag-pki Debian 11 10.3.5+12-5

debian advisories DEBIAN-CVE-2017-7537

  • dogtag-pki Ubuntu Pro 16.04 LTS 10.2.6+git20160317-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2017-7537

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • pki-core RHEL 7 10.4.1-11.el7
  • pki-ca RHEL 7 10.4.1-11.el7
  • pki-kra RHEL 7 10.4.1-11.el7
  • pki-base RHEL 7 10.4.1-11.el7
  • pki-tools RHEL 7 10.4.1-11.el7
  • pki-server RHEL 7 10.4.1-11.el7
  • pki-symkey RHEL 7 10.4.1-11.el7
  • pki-javadoc RHEL 7 10.4.1-11.el7

red hat advisories RHSA-2017:2335

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-2017-7537 updated cvss 5.9

pki-core: mock CMC authentication plugin with hardcoded secret enabled by default

  • Red Hat Enterprise Linux Client Optional (v. 7) pki-ca 10.4.1-11.el7, pki-kra 10.4.1-11.el7, pki-base 10.4.1-11.el7, pki-core 10.4.1-11.el7, pki-tools 10.4.1-11.el7, pki-server 10.4.1-11.el7, +3 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) pki-ca 10.4.1-11.el7, pki-kra 10.4.1-11.el7, pki-base 10.4.1-11.el7, pki-core 10.4.1-11.el7, pki-tools 10.4.1-11.el7, pki-server 10.4.1-11.el7, +3 more Red Hat Enterprise Linux Server (v. 7) pki-ca 10.4.1-11.el7, pki-kra 10.4.1-11.el7, pki-base 10.4.1-11.el7, pki-core 10.4.1-11.el7, pki-tools 10.4.1-11.el7, pki-server 10.4.1-11.el7, +2 more Red Hat Enterprise Linux Server Optional (v. 7) pki-ca 10.4.1-11.el7, pki-kra 10.4.1-11.el7, pki-base 10.4.1-11.el7, pki-core 10.4.1-11.el7, pki-tools 10.4.1-11.el7, pki-server 10.4.1-11.el7, +3 more Red Hat Enterprise Linux Workstation (v. 7) pki-ca 10.4.1-11.el7, pki-kra 10.4.1-11.el7, pki-base 10.4.1-11.el7, pki-core 10.4.1-11.el7, pki-tools 10.4.1-11.el7, pki-server 10.4.1-11.el7, +2 more Red Hat Enterprise Linux Workstation Optional (v. 7) pki-javadoc 10.4.1-11.el7
    fixed: vendor fix RHSA-2017:2335
  • Red Hat Certificate System 9 pki-core Red Hat Enterprise Linux 6 pki-ca, pki-core, pki-util, pki-setup, pki-common, pki-silent, +7 more
    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

Exploit prediction

1.46% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7537 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected products

  • Dogtag PKI pki-core

Classification

Weakness
  • CWE-592 DEPRECATED: Authentication Bypass Issues
  • CWE-798 Use of Hard-coded Credentials

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.