Is It On KEV?

Atlassian Confluence Data Center and Server

YES - ON THE CISA KEV LIST
CVE-2023-22515

Atlassian Confluence Data Center and Server Broken Access Control Vulnerability

CISA catalog due date2023-10-13
overdue since 2023-10-13
EPSS exploit probability (next 30 days)99.2% · 100percentile
From CVE publication to KEV listing1 days (2023-10-04 → 2023-10-05)
Remediation window (KEV listing to due date)8 days
Days on the KEV list1133 days
Date added to KEV2023-10-05
Known ransomware campaign useKnown
VendorAtlassian
ProductConfluence Data Center and Server
Weaknesses (CWE)n/a

Atlassian: 14 entries (0.8% of all KEV entries are from this vendor); 1 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

Description

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.

Required action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check all affected Confluence instances for evidence of compromise per vendor instructions and report any positive findings to CISA.

Notes

https://confluence.atlassian.com/security/cve-2023-22515-privilege-escalation-vulnerability-in-confluence-data-center-and-server-1295682276.html; https://nvd.nist.gov/vuln/detail/CVE-2023-22515

References

Other KEV entries for this vendor: Atlassian

Atlassian - Vendors with KEV entries

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