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CVE-2017-2673

21
FAUCET Score

CVE-2017-2673 describes an authorization flaw in the OpenStack Identity service (Keystone) federation configurations, specifically affecting Red Hat OpenStack. An authenticated federated user could inadvertently gain administrative roles and permissions within a project. With a CVSS score of 7.2 (High), this vulnerability allows a high-privileged attacker to achieve high confidentiality, integrity, and availability impact over the network with low attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
9CPE matchmatch criteria
cpe:2.3:a:redhat:openstack:9:*:*:*:*:*:*:*
10CPE matchmatch criteria
cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.8MEDIUM

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.11%
Probability of exploitation in next 30 days
EPSS Percentile
79.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0211 is in the 75th percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

pippatch availablevia ghsa
Product: keystoneFixed in: 10.0.2
pippatch availablevia ghsa
Product: keystoneFixed in: 11.0.1
redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 10.0 (Newton)Fixed in: openstack-keystone-1:10.0.1-3.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 9.0 (Mitaka)Fixed in: openstack-keystone-1:9.3.0-2.el7ost
View patch
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 11 (Ocata)Fixed in: openstack-keystone

Vendor Advisories (2)

pipGHSA-j36m-hv43-7w7mhigh

OpenStack Identity service (keystone) Incorrect Authorization

May 13, 2022
redhatCVE-2017-2673Important

openstack-keystone: Incorrect role assignment with federated Keystone

Apr 25, 2017

References

access.redhat.com / errata/RHSA-2017:1461
Vendor Advisory
access.redhat.com / errata/RHSA-2017:1597
Vendor Advisory
bugs.launchpad.net / keystone/+bug/1677723
ExploitPatchThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchVendor Advisory
seclists.org / oss-sec/2017/q2/125
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/98032
Third Party AdvisoryVDB Entry