CRITICALCVSS v3.1 9.8Actively exploited · CISA KEV since 2023-11-07Vulnerability
CVE-2023-22518
Atlassian Confluence Data Center and Server contain an improper authorization vulnerability that can result in significant data loss when exploited by an unauthenticated attacker. There is no impact on confidentiality since the attacker cannot exfiltrate any data.
Properties
- Euvd product
- Confluence Server, Confluence Data Center
- Vulnerability name
- Atlassian Confluence Data Center and Server Improper Authorization Vulnerability
- First seen
- 2025-10-21T23:05:32+00:00
- Cvss score
- 9.8
- Epss score
- 0.99999
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2023-11-28
- Euvd assigner
- atlassian
- Retrieved at
- 2026-10-21T01:24:47+00:00
- Exploited euvd since
- 2023-11-07T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2023-11-07
- Score
- 9.8
- Euvd base score version
- 3.0
- Fetched at
- 2026-10-20T10:36:20+00:00
- Euvd vendor
- Atlassian
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 10
Related Entities (11)
AFFECTS_PRODUCT (4)
MENTIONED_IN (4)
DESCRIBES (1)
HAS_WEAKNESS (1)
INVOLVES (1)
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