VIR Vulnerability Intelligence Relay

CVE-2021-26084

unknown KEV
Published 2021-11-03 · Modified 2021-11-03
CVSS v3
—
CVSS v2
—
VIR risk
1.5

Description

Atlassian Confluence Server and Data Server contain an Object-Graph Navigation Language (OGNL) injection vulnerability that may allow an unauthenticated attacker to execute code.

CISA KEV

Vendor
Atlassian
Product
Confluence Server and Data Center
Due date
2021-11-17

Predictions

Exploit likelihood
99%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cisa-kev — https://nvd.nist.gov/vuln/detail/CVE-2021-26084

Exploits

References

Verify integrity in audit chain (admin only). AS-IS.