PoC Index

CVE-2021-26084

KEV RANSOMWARECRITICAL 9.8EPSS 100.0%

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.

CVSS v3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
100.00% chance of exploitation in the next 30 days, 100th percentile
CISA KEV
added 2021-11-03, used in ransomware campaigns
Nuclei
critical · CWE-917
Published
2021-08-30
Updated
2025-12-16

Proof-of-concept exploits (40)

Nuclei templates (1)

Metasploit modules (1)

ExploitDB entries (1)

Vulhub environments (1)

Exploit collections (2)

References

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