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Fencer Vulns
medium 6.8

CVE-2017-2673 json

OpenStack Identity service (keystone) Incorrect Authorization

published 2018-07-19 8 y ago modified 2026-07-13 3 mo ago also GHSA-j36m-hv43-7w7m , PYSEC-2018-152 , EUVD-2018-0083

cvss
6.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

An authorization-check flaw was discovered in federation configurations of the OpenStack Identity service (keystone). An authenticated federated user could request permissions to a project and unintentionally be granted all related roles including administrative roles.

Patch / fix

  • pypi keystone 10.0.2, 11.0.1
  • keystone Debian 14, Debian 13, Debian 12 2:10.0.0-9

debian advisories DEBIAN-CVE-2017-2673

  • keystone Ubuntu 16.04 LTS 2:9.3.0-0ubuntu3.1

ubuntu advisories UBUNTU-CVE-2017-2673

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

  • openstack-keystone openstack 10 1:10.0.1-3.el7ost
  • python-keystone openstack 10 1:10.0.1-3.el7ost
  • python-keystone-tests openstack 10 1:10.0.1-3.el7ost
  • openstack-keystone openstack 9 1:9.3.0-2.el7ost
  • python-keystone openstack 9 1:9.3.0-2.el7ost
  • python-keystone-tests openstack 9 1:9.3.0-2.el7ost

red hat advisories RHSA-2017:1597RHSA-2017:1461

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-2017-2673 updated cvss 6.8

openstack-keystone: Incorrect role assignment with federated Keystone

  • Red Hat OpenStack Platform 11 (Ocata) openstack-keystone
    affected: no fix available
  • Red Hat OpenStack Platform 9.0 python-keystone 9.3.0-2.el7ost, openstack-keystone 9.3.0-2.el7ost, python-keystone-tests 9.3.0-2.el7ost
    fixed: vendor fix RHSA-2017:1461
  • Red Hat OpenStack Platform 10.0 python-keystone 10.0.1-3.el7ost, openstack-keystone 10.0.1-3.el7ost, python-keystone-tests 10.0.1-3.el7ost
    fixed: vendor fix RHSA-2017:1597
  • Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) openstack-keystone Red Hat Enterprise Linux OpenStack Platform 6 (Juno) openstack-keystone Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) python-keystone, openstack-keystone Red Hat OpenStack Platform 8 (Liberty) python-keystone, openstack-keystone
    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

2.30% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugs.launchpad.net https://bugs.launchpad.net/keystone/+bug/1677723 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 6.8 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD 3.0 7.2 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P
OSV 3.0 7.2 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
GitHub 3.0 7.2 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
pypi keystone
>=9.0.0, <=9.3.0
>=10.0.0, <10.0.2
>=11.0.0, <11.0.1
>=9.0.0, <10.0.2
10.0.2
11.0.1

Affected products

  • [UNKNOWN] openstack-keystone

Classification

Weakness

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.