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CVE-2023-22512

HIGH
7.5
CVSS Score
Published: March 17, 2025 at 10:34 PM UTC
Updated: June 17, 2026 at 05:35 AM UTC
2 products affected across 1 vendorConfluence ServerConfluence Data Center

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Severity
HIGH7.5
Exploit prediction
EPSS 15%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Confluence Data Center· Atlassianatlassian-app
95%
5.6 ≤ v < 7.19.148.0.0 ≤ v < 8.5.1>= 5.6.0
Vendor states this is fixed in 5.6.0 (unaffected)
Vendor states this is fixed in >= 7.19.13 (unaffected)
Vendor states this is fixed in >= 7.19.14 (unaffected)
Vendor states this is fixed in >= 8.5.1 (unaffected)
Vendor states this is fixed in >= 8.6.0 (unaffected)
Confluence Server· Atlassianatlassian-app
95%
5.6 ≤ v < 7.19.148.0.0 ≤ v < 8.5.1>= 5.6.0
Vendor states this is fixed in 5.6.0 (unaffected)
Vendor states this is fixed in >= 7.19.13 (unaffected)
Vendor states this is fixed in >= 7.19.14 (unaffected)
Vendor states this is fixed in >= 8.5.1 (unaffected)
Vendor states this is fixed in >= 8.6.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: [email protected]
https://confluence.atlassian.com/pages/viewpage.action?pageId=1283691616
Issue TrackingVendor Advisory
Source: [email protected]
https://jira.atlassian.com/browse/CONFSERVER-91258

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-400

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