CVE-2023-49594 Vulnerability Analysis & Exploit Details

CVE-2023-49594
Vulnerability Scoring

4.5
/10
Medium Risk

The vulnerability CVE-2023-49594 could compromise system integrity but typically requires user interaction to be exploited.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: High
    High-level privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: Required
    User interaction is necessary for successful exploitation.

CVE-2023-49594 Details

Status: Modified

Last updated: 🕣 21 Nov 2024, 08:33 UTC
Originally published on: 🕗 23 Dec 2023, 20:15 UTC

Time between publication and last update: 333 days

CVSS Release: version 3

CVSS3 Source

talos-cna@cisco.com

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2023-49594 Vulnerability Summary

CVE-2023-49594: 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.

Assessing the Risk of CVE-2023-49594

Access Complexity Graph

The exploitability of CVE-2023-49594 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2023-49594

The exploitability of CVE-2023-49594 is influenced by multiple factors. Security teams should analyze system configurations and apply appropriate countermeasures to mitigate threats.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2023-49594, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2023-49594, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2023-49594 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: None
    CVE-2023-49594 poses no threat to data integrity.
  • Availability: None
    CVE-2023-49594 does not impact system availability.

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.139% (probability of exploit)

EPSS Percentile: 50.93% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 49.07% of others.

CVE-2023-49594 References

External References

CWE Common Weakness Enumeration

NVD-CWE-noinfo

Vulnerable Configurations

  • cpe:2.3:a:michaelkelly:duouniversalkeycloakauthenticator:1.0.1:*:*:*:*:keycloak:*:*
    cpe:2.3:a:michaelkelly:duouniversalkeycloakauthenticator:1.0.1:*:*:*:*:keycloak:*:*
  • cpe:2.3:a:michaelkelly:duouniversalkeycloakauthenticator:1.0.2:prerelease:*:*:*:keycloak:*:*
    cpe:2.3:a:michaelkelly:duouniversalkeycloakauthenticator:1.0.2:prerelease:*:*:*:keycloak:*:*
  • cpe:2.3:a:michaelkelly:duouniversalkeycloakauthenticator:1.0.3:*:*:*:*:keycloak:*:*
    cpe:2.3:a:michaelkelly:duouniversalkeycloakauthenticator:1.0.3:*:*:*:*:keycloak:*:*
  • cpe:2.3:a:michaelkelly:duouniversalkeycloakauthenticator:1.0.4:*:*:*:*:keycloak:*:*
    cpe:2.3:a:michaelkelly:duouniversalkeycloakauthenticator:1.0.4:*:*:*:*:keycloak:*:*
  • cpe:2.3:a:michaelkelly:duouniversalkeycloakauthenticator:1.0.5:*:*:*:*:keycloak:*:*
    cpe:2.3:a:michaelkelly:duouniversalkeycloakauthenticator:1.0.5:*:*:*:*:keycloak:*:*
  • cpe:2.3:a:michaelkelly:duouniversalkeycloakauthenticator:1.0.6:*:*:*:*:keycloak:*:*
    cpe:2.3:a:michaelkelly:duouniversalkeycloakauthenticator:1.0.6:*:*:*:*:keycloak:*:*
  • cpe:2.3:a:michaelkelly:duouniversalkeycloakauthenticator:1.0.7:*:*:*:*:keycloak:*:*
    cpe:2.3:a:michaelkelly:duouniversalkeycloakauthenticator:1.0.7:*:*:*:*:keycloak:*:*

Protect Your Infrastructure against CVE-2023-49594: Combat Critical CVE Threats

Stay updated with real-time CVE vulnerabilities and take action to secure your systems. Enhance your cybersecurity posture with the latest threat intelligence and mitigation techniques. Develop the skills necessary to defend against CVEs and secure critical infrastructures. Join the top cybersecurity professionals safeguarding today's infrastructures.

Other 5 Recently Published CVEs Vulnerabilities

  • CVE-2025-47245 – In BlueWave Checkmate through 2.0.2 before d4a6072, an invite request can be modified to specify a privileged role.
  • CVE-2025-47244 – Inedo ProGet through 2024.22 allows remote attackers to reach restricted functionality through the C# reflection layer, as demonstrated by causing ...
  • CVE-2025-47241 – In browser-use (aka Browser Use) before 0.1.45, URL parsing of allowed_domains is mishandled because userinfo can be placed in the authority component.
  • CVE-2025-4244 – A vulnerability, which was classified as critical, was found in code-projects Online Bus Reservation System 1.0. This affects an unknown part of th...
  • CVE-2025-4243 – A vulnerability, which was classified as critical, has been found in code-projects Online Bus Reservation System 1.0. Affected by this issue is som...