CVE-2023-4456

Openshift-logging: lokistack authorisation is cached too broadly

MEDIUM
6.5
CVSS Score
Published: August 21, 2023 at 03:19 PM UTC
Updated: June 17, 2026 at 06:37 AM UTC
1 product affected across 1 vendorOpenShift Logging

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

A flaw was found in openshift-logging LokiStack. The key used for caching is just the token, which is too broad. This issue allows a user with a token valid for one action to execute other actions as long as the authorization allowing the original action is still cached.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions5.5
Vendor states this is fixed in v0.1.0-326 (unaffected)
Vendor states this is fixed in v0.1.0-327 (unaffected)

References (5)

VDB Entryx_refsource_REDHATVendor Advisory
https://access.redhat.com/security/cve/CVE-2023-4456
Issue Trackingx_refsource_REDHATVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2233087

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-1220NVD-CWE-Other

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