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CVE-2023-2585

23
FAUCET Score

CVE-2023-2585 describes a critical vulnerability in Keycloak's device authorization grant, affecting Red Hat Enterprise Linux and OpenShift Container Platform, among other Red Hat products. The flaw stems from insufficient validation of device codes and client IDs, allowing an attacker to spoof client consent requests. This could trick an authorization administrator into granting consent to a malicious OAuth client, leading to unauthorized access. Rated 8.1 HIGH on the CVSS scale, this vulnerability is network-exploitable with low attack complexity, requiring user interaction, and can result in high confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
7.6CPE matchmatch criteria
cpe:2.3:a:redhat:single_sign-on:7.6:*:*:*:*:*:*:*
4.11CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_container_platform:4.11:*:*:*:*:*:*:*
4.12CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_container_platform:4.12:*:*:*:*:*:*:*
4.9CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_container_platform_for_ibm_z:4.9:*:*:*:*:*:*:*
4.10CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_container_platform_for_ibm_z:4.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.5LOW

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
0.9
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.69%
Probability of exploitation in next 30 days
EPSS Percentile
49.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0069 is in the 51st percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

mavenpatch availablevia ghsa
Product: org.keycloak:keycloak-servicesFixed in: 21.1.2
mavenpatch availablevia ghsa
Product: org.keycloak:keycloak-server-spi-privateFixed in: 21.1.2
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.6 for RHEL 7Fixed in: rh-sso7-keycloak-0:18.0.8-1.redhat_00001.1.el7sso
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.6 for RHEL 8Fixed in: rh-sso7-keycloak-0:18.0.8-1.redhat_00001.1.el8sso
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.6 for RHEL 9Fixed in: rh-sso7-keycloak-0:18.0.8-1.redhat_00001.1.el9sso
View patch
redhatpatch availablevia redhat_api
Product: RHEL-8 based Middleware ContainersFixed in: rh-sso-7/sso76-openshift-rhel8:7.6-24
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7
View patch
redhatvendor investigatingvia nvd_reference
View patch

Vendor Advisories (2)

mavenGHSA-f5h4-wmp5-xhg6low

Client Spoofing within the Keycloak Device Authorisation Grant

Jun 30, 2023
redhatCVE-2023-2585Low

keycloak: client access via device auth request spoof

Jun 26, 2023

References

access.redhat.com / errata/RHSA-2023:3883
Vendor Advisory
access.redhat.com / errata/RHSA-2023:3884
Vendor Advisory
access.redhat.com / errata/RHSA-2023:3885
Vendor Advisory
access.redhat.com / errata/RHSA-2023:3888
Vendor Advisory
access.redhat.com / errata/RHSA-2023:3892
Vendor Advisory
access.redhat.com / security/cve/CVE-2023-2585
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingVendor Advisory