CVE-2023-22518: Atlassian Confluence Data Center and Server Improper Authorization Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

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.

Required action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes

https://confluence.atlassian.com/security/cve-2023-22518-improper-authorization-vulnerability-in-confluence-data-center-and-server-1311473907.html; https://nvd.nist.gov/vuln/detail/CVE-2023-22518

Weakness behind it

CISA records this vulnerability as an instance of CWE-863. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-22518
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog