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Medium severity4.3NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026

CVE-2021-39121

CVE-2021-39121

Description

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 before 8.13.10, and from version 8.14.0 before 8.18.2.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

9
  • Atlassian/Jira Serverllm-fuzzy3 versions
    <8.5.18, 8.6.0 to <8.13.10, 8.14.0 to <8.18.2+ 2 more
    • (no CPE)range: <8.5.18, 8.6.0 to <8.13.10, 8.14.0 to <8.18.2
    • (no CPE)range: unspecified
    • cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*range: >=8.6.0,<8.13.10
  • Atlassian/Jira Core Data Centerllm-fuzzy2 versions
    <8.5.18, 8.6.0 to <8.13.10, 8.14.0 to <8.18.2+ 1 more
    • (no CPE)range: <8.5.18, 8.6.0 to <8.13.10, 8.14.0 to <8.18.2
    • (no CPE)range: unspecified
  • Atlassian/Jirallm-fuzzy2 versions
    <8.5.18, 8.6.0 to <8.13.10, 8.14.0 to <8.18.2+ 1 more
    • (no CPE)range: <8.5.18, 8.6.0 to <8.13.10, 8.14.0 to <8.18.2
    • cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*range: <8.5.18
  • Atlassian/Data Center
    cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*
    Range: <8.5.18
  • Atlassian/Jira Data Center
    cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
    Range: >=8.6.0,<8.13.10

Patches

Vulnerability mechanics

References

1

News mentions

0

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