Headline
CVE-2021-26084: [CONFSERVER-67940] Confluence Server Webwork OGNL injection - CVE-2021-26084
In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are before version 6.13.23, from version 6.14.0 before 7.4.11, from version 7.5.0 before 7.11.6, and from version 7.12.0 before 7.12.5.
This vulnerability is being actively exploited in the wild. Affected servers should be patched immediately.
An OGNL injection vulnerability exists that allows an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance.
The CVE ID is CVE-2021-26084.
Acknowledgements
The issue was discovered by Benny Jacob (SnowyOwl) via the Atlassian public bug bounty program.
The affected versions are before version 6.13.23, from version 6.14.0 before 7.4.11, from version 7.5.0 before 7.11.6, and from version 7.12.0 before 7.12.5.
Affected versions:
- version < 6.13.23
- 6.14.0 ≤ version < 7.4.11
- 7.5.0 ≤ version < 7.11.6
- 7.12.0 ≤ version < 7.12.5
Fixed versions:
- 6.13.23
- 7.4.11
- 7.11.6
- 7.12.5
- 7.13.0
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