CVE-2023-4918

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.57% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 47.0% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-09-12 19:24Z3 YR AGO

Last updated

2024-09-25 19:53Z2 YR AGO

Reserved

2023-09-12

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-256Plaintext Storage of a PasswordBase
• CWE-319Cleartext Transmission of Sensitive InformationBase

Data version

5.1

Document digest

020abe80fa2c3f5af91765bbb4fab963f9ddf2094fb07a1a7b739f71f09ac613

• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-4918vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2238588https://bugzilla.redhat.com/show_bug.cgi?id=2238588issue-trackingx_refsource_REDHAT
• github.comhttps://github.com/keycloak/keycloak/security/advisories/GHSA-5q66-v53q-pm35