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UK Cyber Defence
VulnerabilityModified

CVE-2023-22505

This High severity RCE (Remote Code Execution) vulnerability known as CVE-2023-22505 was introduced in version 8.0.0 of Confluence Data Center & Server.

HIGH 8.8EPSS 2.06%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

This High severity RCE (Remote Code Execution) vulnerability known as CVE-2023-22505 was introduced in version 8.0.0 of Confluence Data Center & Server. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 8, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and no user interaction. Atlassian recommends that you upgrade your instance to latest version. If you're unable to upgrade to latest, upgrade to one of these fixed versions: 8.3.2, 8.4.0. See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html).|https://confluence.atlassian.com/doc/confluence-release-notes-327.html).] You can download the latest version of Confluence Data Center & Server from the download center ([https://www.atlassian.com/software/confluence/download-archives).|https://www.atlassian.com/software/confluence/download-archives).] This vulnerability was discovered by a private user and reported via our Bug Bounty program.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
2.06% probability · 80th percentile
CISA KEV
Not listed
Affected
atlassian/confluence data center · atlassian/confluence server
Source
security@atlassian.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.