CRITICALCVSS v3.1 9.8Actively exploited · CISA KEV since 2023-10-05Vulnerability

CVE-2023-22515

Atlassian Confluence Data Center and Server contains a broken access control vulnerability that allows an attacker to create unauthorized Confluence administrator accounts and access Confluence.

Properties

Euvd product
Confluence Data Center, Confluence Server
Vulnerability name
Atlassian Confluence Data Center and Server Broken Access Control Vulnerability
First seen
2026-03-25T14:56:37+00:00
Cvss score
9.8
Epss score
0.99223
Last seen
2026-10-19T12:00:27+00:00
Due date
2023-10-13
Euvd assigner
atlassian
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2023-10-05T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2023-10-05
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 (7)

AFFECTS_PRODUCT (2)

→[Product]cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*

MENTIONED_IN (2)

→[Campaign]Unnamed campaign (ID 6977…)
→[Campaign]Chrome Extensions: Are you getting more than you bargained for?

DESCRIBES (1)

←[KEVEntry]Atlassian Confluence Data Center and Server Broken Access Control Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Improper Input Validation

INVOLVES (1)

←[Signal]kev_added · 2023-10-05

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CVE-2023-22515 (CVSS v3.1 9.8) — Ninja Signal Threat Intelligence | Ninja Signal