Riskcovery

CVE-2021-26084

State
Published
Severity
9.8 Critical
Published
Aug 30, 2021
Updated
Dec 16, 2025
Reserved
Jan 25, 2021

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.19.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCISA-ADP

Weaknesses

  • CWE-917 Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')

Affected Products

ProductVersions
Confluence ServerAtlassian
  • before 6.13.23Affected
  • 6.14.0 to before unspecifiedAffected
  • before 7.4.11Affected
  • 7.5.0 to before unspecifiedAffected
  • before 7.11.6Affected
  • 7.12.0 to before unspecifiedAffected
  • before 7.12.5Affected
Confluence Data CenterAtlassian
  • before 6.13.23Affected
  • 6.14.0 to before unspecifiedAffected
  • before 7.4.11Affected
  • 7.5.0 to before unspecifiedAffected
  • before 7.11.6Affected
  • 7.12.0 to before unspecifiedAffected
  • before 7.12.5Affected

References

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