CVE-2023-22512
No exploitation reported by the sources we read.
- Published2024-01-16
- Fixed in8.5.1 · 7.19.14
- WeaknessCWE-400
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
This High severity DoS (Denial of Service) vulnerability was introduced in version 5.6.0 of Confluence Data Center and Server. With a CVSS Score of 7.5, this vulnerability allows an unauthenticated attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a vulnerable host (Confluence instance) connected to a network, which has no impact to confidentiality, no 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: Confluence Data Center and Server 7.19: Upgrade to a release greater than or equal to 7.19.14 Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.1 Confluence Data Center and Server 8.6 or above: No need to upgrade, you're already on a patched version 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 reported via our Bug Bounty program.
Timeline
dates in UTC- 2024-01-1618:15CVE publishedNVD
- 2026-10-2319:23EPSS crossed 10 %FIRST EPSS
Observed activity
isMalicious corpus · updated 2026-10-23 18:48 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-22512?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-22512?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 8.x | ≥ 8.0.0, < 8.5.1 | 8.5.1 | NVD |
| 7.19 | ≥ 5.6, < 7.19.14 | 7.19.14 | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 8.x | ≥ 8.0.0, < 8.5.1 | 8.5.1 | NVD |
| 7.19 | ≥ 5.6, < 7.19.14 | 7.19.14 | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
- Update Atlassian Confluence to 8.5.1 · 7.19.14
Advisories and patches
- confluence.atlassian.comVendor Advisory
- jira.atlassian.comVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Published
- 2024-01-16
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2023-22512?
Is CVE-2023-22512 actively exploited?
What is the CVSS score for CVE-2023-22512?
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