9.8

CVE-2024-21401: microsoft entra Improper Access Control

CVSS: 9.8v3.1CriticalModified
Published 13-02-2024Last modified 10-08-2026
Open JSON

Vulnerability summary

CVE-2024-21401 is a critical (CVSS 9.8) Improper Access Control vulnerability in microsoft entra. EPSS estimates a 1.46% chance of exploitation in the next 30 days, higher than 73.2% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.46%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-02-2024
    PublishedVulnerability first disclosed.
  2. 10-08-2026
    Last modifiedVulnerability information updated.

Description

Microsoft Entra Jira Single-Sign-On Plugin Elevation of Privilege Vulnerability

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.46%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

0.00 pp

From 1.46% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft2 products

1 vendor · 2 products

References

1 links