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CVE-2023-3597

UNKNOWN
Published 2024-04-25T12:20:11.606Z
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CVSS Score

V3.1
5.0
/10
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.213
Higher than 21.3% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
LOW
Integrity
LOW
Availability
LOW

Description

A flaw was found in Keycloak, where it does not correctly validate its client step-up authentication in org.keycloak.authentication. This flaw allows a remote user authenticated with a password to register a false second authentication factor along with an existing one and bypass authentication.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Unknown Vendor

Unknown Product

Affected Versions:

0 23.0.0
Red Hat

Red Hat build of Keycloak 22

Affected Versions:

22.0.10-1
Red Hat

Red Hat build of Keycloak 22

Affected Versions:

22-13
Red Hat

Red Hat build of Keycloak 22

Affected Versions:

22-16
Red Hat

Red Hat build of Keycloak 22.0.10

Red Hat

RHSSO 7.6.8

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Keycloak secondary factor bypass in step-up authentication

GHSA-4f53-xh3v-g8x4

Advisory Details

Keycloak does not correctly validate its client step-up authentication. A password-authed attacker could use this flaw to register a false second auth factor, alongside the existing one, to a targeted account. The second factor then permits step-up authentication.

Affected Packages

Maven org.keycloak:keycloak-services
ECOSYSTEM: ≥0 <22.0.10
Maven org.keycloak:keycloak-services
ECOSYSTEM: ≥23.0.0 <24.0.3

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

WEB https://github.com/keycloak/keycloak/security/advisories/GHSA-4f53-xh3v-g8x4
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-3597
WEB https://github.com/keycloak/keycloak/commit/aa634aee882892960a526e49982806e103c8a432
WEB https://access.redhat.com/errata/RHSA-2024:1866
WEB https://access.redhat.com/errata/RHSA-2024:1867
WEB https://access.redhat.com/errata/RHSA-2024:1868
WEB https://access.redhat.com/security/cve/CVE-2023-3597
WEB https://bugzilla.redhat.com/show_bug.cgi?id=2221760
PACKAGE https://github.com/keycloak/keycloak

Advisory provided by GitHub Security Advisory Database. Published: April 17, 2024, Modified: August 7, 2024

References

https://access.redhat.com/errata/RHSA-2024:1866
https://access.redhat.com/errata/RHSA-2024:1867
https://access.redhat.com/errata/RHSA-2024:1868
https://access.redhat.com/security/cve/CVE-2023-3597
https://bugzilla.redhat.com/show_bug.cgi?id=2221760
Published: 2024-04-25T12:20:11.606Z
Last Modified: 2024-12-27T14:16:52.609Z
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