CVE-2023-22515
CWE-20
103.8
RPSRPS range: 0–105; KEV-listed vulnerabilities can receive an exploitation amplifier.
Description
Atlassian has been made aware of an issue reported by a handful of customers where external attackers may have exploited a previously unknown vulnerability in publicly accessible Confluence Data Center and Server instances to create unauthorized Confluence administrator accounts and access Confluence instances. Atlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue.
Source: NVD
Signals
- CVSS
- 9.8
- Critical · v3.1
- EPSS
- 99.22%
- Probability of exploitation in the next 30 days (FIRST)
- CISA KEV
- In CISA KEV since Oct 2023
- Fix commit
- No known fix commit
- Sources: MoreFixes, FreshFixes
- Weakness
- CWE-20
- Published
- 4 Oct 2023
- Last modified 25 Mar 2026
How to read these signals: RPS · EPSS · CISA KEV · Data sources
Get this score from the API
curl -H "Authorization: Bearer dsec_live_xxxxxxxx" \
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Data as of 8 Oct 2026, 05:16 UK time