9.8

CVE-2024-11209: apereo cas Improper Authentication

CVSS: 9.8v3.1CriticalAnalyzed
Published 14-11-2024Last modified 14-11-2024
Open JSON

Vulnerability summary

CVE-2024-11209 is a critical (CVSS 9.8) Improper Authentication vulnerability in apereo cas. EPSS estimates a 0.62% chance of exploitation in the next 30 days, higher than 48.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.62%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 14-11-2024
    PublishedVulnerability first disclosed.
  2. 14-11-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability was found in Apereo CAS 6.6. It has been classified as critical. This affects an unknown part of the file /login?service of the component 2FA. The manipulation leads to improper authentication. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS metrics

7 scores · 2 sources · 4 versions

EPSS trend

Probability

0.62%

Chance of exploitation in the next 30 days

Percentile

49%

Versus all other CVEs

30-day change

0.00 pp

From 0.62% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.62%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    281E8Ea8A797Abc8371A8Ced31Dc5562

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Apereo2 products

1 vendor · 2 products

References

4 links