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Vulnerabilities

Vulnerability · CVE-2021-41305

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to view the names of private projects and filters via an Insecure Direct Ob…

Published Oct 26, 2021 · catalog updated Jun 17, 2026 · the affected product

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2021-41305. EPSS is 1.21%. Act only if a listed version of the affected product is installed.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.21%
Remediation
Version ranges on file
Affected products
cpe atlassian/jira · cpe atlassian/jira software data center

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to view the names of private projects and filters via an Insecure Direct Object References (IDOR) vulnerability in the Average Number of Times in Status Gadget. The affected versions are before version 8.13.12..

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe atlassian/jira< 8.13.12
  • cpe atlassian/jira software data center< 8.13.12

How to fix CVE-2021-41305

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2021-41305. EPSS is 1.21%. Act only if a listed version of the affected product is installed.

Which versions are affected?

Compare what you have installed with atlassian/jira software data center < 8.13.12. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-639: Authorization Bypass Through User-Controlled Key. EPSS 1.21%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Atlassian Jira security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 26, 2021 · Monitored products — critical

    Detected

    Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to view the names of private projects and filters via an Insecure Direct Object References (IDOR) vulnerability in the Average Number of Times in Status Gadget. The affected versions are before version 8.13.12..

  2. Jun 17, 2026 · Monitored products — critical

    Updated

    Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to view the names of private projects and filters via an Insecure Direct Object References (IDOR) vulnerability in the Average Number of Times in Status Gadget. The affected versions are before version 8.13.12..

Sources

  • CVE.orgVulnerability recordCVE-2021-41305

    Official CVE identifier

    cve.org
  • Monitored products — criticalVendor advisoryCVE-2021-41305

    Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to view the names of private projects and filters via an Insecure Direct Object References (IDOR) vulnerability in the Average Number of Times in Status Gadget. The affected versions are before version 8.13.12..

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 4, 2026
  • Monitored products — criticalNov 3, 2026