CVE-2023-49594

Name: CVE-2023-49594
Creator: NVD / NIST
Published: 2023-12-23T20:15:38.25+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.24%

Last modified Jun 17, 2026

CVE-2023-49594 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An information disclosure vulnerability exists in the challenge functionality of instipod DuoUniversalKeycloakAuthenticator 1.0.7 plugin. A specially crafted HTTP request can lead to a disclosure of sensitive information. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

Description

An information disclosure vulnerability exists in the challenge functionality of instipod DuoUniversalKeycloakAuthenticator 1.0.7 plugin. A specially crafted HTTP request can lead to a disclosure of sensitive information. A user logging into Keycloak using DuoUniversalKeycloakAuthenticator plugin triggers this vulnerability.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.24%

65.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-201

Affected Software

Vendor	Product	Versions
Michaelkelly	Duouniversalkeycloakauthenticator	< 1.0.8

References

https://github.com/instipod/DuoUniversalKeycloakAuthenticator/releases/tag/1.0.8Release Notes
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1907Exploit, Third Party Advisory
https://github.com/instipod/DuoUniversalKeycloakAuthenticator/releases/tag/1.0.8Release Notes
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1907Exploit, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1907

Timeline

Published: Dec 23, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-49594?

How severe is CVE-2023-49594?

CVE-2023-49594 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.

How do I fix CVE-2023-49594?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-49594?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST