VDB

CVE-2015-7546

CVE-2015-7546 REJECTED CVSS 7.5 HIGH

The identity service in OpenStack Identity (Keystone) before 2015.1.3 (Kilo) and 8.0.x before 8.0.2 (Liberty) and keystonemiddleware (formerly python-keystoneclient) before 1.5.4 (Kilo) and Liberty before 2.3.3 does not properly invalidate authorization tokens when using the PKI or PKIZ token providers, which allows remote authenticated users to bypass intended access restrictions and gain access to cloud resources by manipulating byte fields within a revoked token.

EPSS 2.00% · 80.0th percentile

Risk Scores

CVSS 3.0
7.5
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
2.00%
80.0th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTSkeystone*, 0, 2:8.0.0-0ubuntu1
Ubuntu:16.04:LTSpython-keystonemiddleware2.3.0-1, 2.3.0-3, 4.4.0-2

Timeline

  • Feb 3, 2016 CVE Published
  • Feb 4, 2022 EPSS Score
  • Mar 29, 2022 EPSS Score
  • May 21, 2022 EPSS Score
  • Sep 5, 2022 EPSS Score
  • Oct 28, 2022 EPSS Score
  • Dec 20, 2022 EPSS Score
  • Feb 11, 2023 EPSS Score
  • Mar 7, 2023 EPSS Score
  • May 29, 2023 EPSS Score
  • Jul 21, 2023 EPSS Score
  • Sep 12, 2023 EPSS Score
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