Cyber Resilience

CVE-2021-39121

Medium

Published: 08 September 2021

Published
08 September 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0024 46.7th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-39121 is a medium-severity an unspecified weakness vulnerability in Atlassian Jira Data Center. Its CVSS base score is 4.3 (Medium).

Operationally, ranked at the 46.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to enumerate the keys of private Jira projects via an Information Disclosure vulnerability in the /rest/api/latest/projectvalidate/key endpoint. The affected versions are before version 8.5.18, from version 8.6.0…

more

before 8.13.10, and from version 8.14.0 before 8.18.2.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

atlassian
data center
≤ 8.5.18
atlassian
jira
≤ 8.5.18
atlassian
jira data center
8.6.0 — 8.13.10 · 8.14.0 — 8.18.2
atlassian
jira server
8.6.0 — 8.13.10 · 8.14.0 — 8.18.2

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References