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Fencer Vulns
high 7.5

CVE-2021-39113 json

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to continue to view cached content even after l…

published 2021-08-30 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-25549

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to continue to view cached content even after losing permissions, via a Broken Access Control vulnerability in the allowlist feature. The affected versions are before version 8.13.9, and from version 8.14.0 before 8.18.0.

Patch / fix

  • Atlassian Jira Server 8.13.9, 8.18.0
  • Atlassian Jira Data Center 8.13.9, 8.18.0
  • atlassian jira_server 8.13.9, 8.18.0
  • atlassian jira_data_center 8.13.9, 8.18.0

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

2.46% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • Atlassian Jira Server
  • Atlassian Jira Data Center
  • atlassian jira_server
  • atlassian jira_data_center

Classification

Weakness
  • CWE-613 DEPRECATED: Insufficient Session Expiration

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.