CVE-2021-26069

MEDIUM

5.3

CVSS Score

Published: March 22, 2021 at 04:50 AM UTC

Updated: June 17, 2026 at 03:42 AM UTC

4 products affected across 1 vendorJira ServerJiraJira Data Center

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Severity

MEDIUM5.3

Exploit prediction

EPSS 3%

Description

Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to download temporary files and enumerate project keys via an Information Disclosure vulnerability in the /rest/api/1.0/issues/{id}/ActionsAndOperations API endpoint. The affected versions are before version 8.5.11, from version 8.6.0 before 8.13.3, and from version 8.14.0 before 8.15.0.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Data Center · Atlassianatlassian-app

95%

v < 8.5.118.6.0 ≤ v < 8.13.3

Affected range stops below 8.13.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.5.11, so it looks safe — our inference, not a vendor statement

Jira · Atlassianatlassian-app

95%

v < 8.5.11

Affected range stops below 8.5.11, so it looks safe — our inference, not a vendor statement

Jira Data Center · Atlassianatlassian-app

95%

v ≥ 8.14.0v ≥ 8.6.0v < 8.13.3v < 8.15.0v < 8.5.118.14.0 ≤ v < 8.15.08.14.0 8.6.0

Affected range stops below 8.13.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.15.0, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.5.11, so it looks safe — our inference, not a vendor statement

Jira Server · Atlassianatlassian-app

95%

v ≥ 8.14.0v ≥ 8.6.0v < 8.13.3v < 8.15.0v < 8.5.118.14.0 ≤ v < 8.15.08.6.0 ≤ v < 8.13.38.14.0 8.6.0

Affected range stops below 8.13.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.15.0, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.5.11, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://jira.atlassian.com/browse/JRASERVER-72010

References (1)

x_refsource_MISCIssue TrackingPatchVendor Advisory

Source: [email protected]

https://jira.atlassian.com/browse/JRASERVER-72010

CVSS

5.3MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-74

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