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CVE-2024-21683

This High severity RCE (Remote Code Execution) vulnerability was introduced in version 5.2 of Confluence Data Center and Server. This RCE…

High7.2Public exploitEPSS 88.3%
Published
Updated
Reserved
Assigned by
atlassian

Description

This High severity RCE (Remote Code Execution) vulnerability was introduced in version 5.2 of Confluence Data Center and Server. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 7.2, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires no 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. 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. This vulnerability was found internally.

Public exploit

An exploit or proof of concept is public: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: a proof of concept is public.

Timeline

  1. ID reserved

    By atlassian

  2. · 5 months later

    Published

  3. · 12 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2024-21683, by who scored it
Scored byCVSSScoreVector
atlassianCNA (assigner)3.1High7.2CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1High8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
88.3% · top 0.2% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: poc · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.

Weakness

Affected products

  • Atlassian · Confluence Data Center

    • affected 8.9.0
    • affected 8.8.0 to 8.8.1
    • affected 8.7.1 to 8.7.2
    • affected 8.6.0 to 8.6.2
    • affected 8.5.0 to 8.5.8
    • affected 8.4.0 to 8.4.5
    • affected 8.3.0 to 8.3.4
    • affected 8.2.0 to 8.2.3
    • affected 8.1.0 to 8.1.4
    • affected 8.0.0 to 8.0.4
    • affected 7.20.0 to 7.20.3
    • affected 7.19.0 to 7.19.21
    • unaffected 8.9.1 to 8.9.2
    • unaffected 8.5.9 to 8.5.10
    • unaffected 7.19.22 to 7.19.23

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .