Low severity · published Jan 13, 2023
CVE-2023-0091
A flaw was found in Keycloak, where it did not properly check client tokens for possible revocation in its client credential flow
3.8
CVSS
0.5%
EPSS
No
On KEV
Description
A flaw was found in Keycloak, where it did not properly check client tokens for possible revocation in its client credential flow. This flaw allows an attacker to access or modify potentially sensitive information.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Keycloak · Redhat
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-0091
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-0091
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2023-0091
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