8.6

CVE-2024-21674: atlassian confluence_data_center Improper Control of Generation of Code

Modified
Published 16-01-2024Last modified 29-08-2024

Vulnerability summary

CVE-2024-21674 is a high (CVSS 8.6) Improper Control of Generation of Code vulnerability in atlassian confluence_data_center. EPSS estimates a 1.77% chance of exploitation in the next 30 days, higher than 78.1% of scored vulnerabilities. Fixed in 7.19.18, 8.5.5, 8.7.2.

Priority
Prioritisesevere

Severe, CVSS 8.6 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 2% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
8.6/10
010
High · v3.0 (CVE.org)
EPSS score
1.77%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 16-01-2024
    PublishedVulnerability first disclosed.
  2. 29-08-2024
    Last modifiedVulnerability information updated.

Description

This High severity Remote Code Execution (RCE) vulnerability was introduced in version 7.13.0 of Confluence Data Center and Server. Remote Code Execution (RCE) vulnerability, with a CVSS Score of 8.6 and a CVSS Vector of CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N allows an unauthenticated attacker to expose assets in your environment susceptible to exploitation which has high impact to confidentiality, no impact to integrity, no impact to availability, and does not require user interaction. Atlassian recommends that Confluence Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: * Confluence Data Center and Server 7.19: Upgrade to a release 7.19.18, or any higher 7.19.x release * Confluence Data Center and Server 8.5: Upgrade to a release 8.5.5 or any higher 8.5.x release * Confluence Data Center and Server 8.7: Upgrade to a release 8.7.2 or any higher release See the release notes (https://confluence.atlassian.com/doc/confluence-release-notes-327.html ). You can download the latest version of Confluence Data Center and Server from the download center (https://www.atlassian.com/software/confluence/download-archives ).

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.77%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.77% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Atlassian2 products
  • confluence_data_center≥ 7.19.0 (fixed in 7.19.18, 8.5.5, 8.7.2) | ≥ 8.0.0 (fixed in 7.19.18, 8.5.5, 8.7.2) | ≥ 8.1.0 (fixed in 7.19.18, 8.5.5, 8.7.2) | ≥ 8.2.0 (fixed in 7.19.18, 8.5.5, 8.7.2) | ≥ 8.3.0 (fixed in 7.19.18, 8.5.5, 8.7.2) | ≥ 8.4.0 (fixed in 7.19.18, 8.5.5, 8.7.2) | ≥ 8.5.0 (fixed in 7.19.18, 8.5.5, 8.7.2) | ≥ 8.6.0 (fixed in 7.19.18, 8.5.5, 8.7.2) | ≥ 8.7.1 (fixed in 7.19.18, 8.5.5, 8.7.2) | ≥ 7.19.0, < 7.19.18 | ≥ 8.5.0, < 8.5.5 | ≥ 8.7.0, < 8.7.2
  • confluence_server≥ 7.19.0 (fixed in 7.19.18, 8.5.5) | ≥ 8.0.0 (fixed in 7.19.18, 8.5.5) | ≥ 8.1.0 (fixed in 7.19.18, 8.5.5) | ≥ 8.2.0 (fixed in 7.19.18, 8.5.5) | ≥ 8.3.0 (fixed in 7.19.18, 8.5.5) | ≥ 8.4.0 (fixed in 7.19.18, 8.5.5) | ≥ 8.5.0 (fixed in 7.19.18, 8.5.5) | ≥ 8.6.0 (fixed in 7.19.18, 8.5.5) | ≥ 8.7.1 (fixed in 7.19.18, 8.5.5) | ≥ 7.19, < 7.19.18 | ≥ 8.5.0, < 8.5.5 | ≥ 8.7.0, ≤ 8.7.2

1 vendor · 2 products

References

2 links