CVE-2021-26070

HIGH

7.2

CVSS Score

Published: March 22, 2021 at 04:40 AM UTC

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

4 products affected across 1 vendorJira ServerJiraData Center

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Severity

HIGH7.2

Exploit prediction

EPSS 2%

Description

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to evade behind-the-firewall protection of app-linked resources via a Broken Authentication vulnerability in the `makeRequest` gadget resource. The affected versions are before version 8.13.3, and from version 8.14.0 before 8.14.1.

Affected

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

Data Center · Atlassianatlassian-app

95%

v < 8.13.38.14.0 ≤ v < 8.14.1

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

Affected range stops below 8.14.1, so it looks safe — our inference, not a vendor statement

Jira · Atlassianatlassian-app

95%

v < 8.13.3

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

Jira Server · Atlassianatlassian-app

95%

v ≥ 8.14.0v < 8.13.3v < 8.14.18.14.0 ≤ v < 8.14.18.14.0

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

Affected range stops below 8.14.1, so it looks safe — our inference, not a vendor statement

Jira Data Center · Atlassianatlassian-app

60%

v ≥ 8.14.0v < 8.13.3v < 8.14.18.14.0

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

Affected range stops below 8.14.1, 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-72029

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://jira.atlassian.com/browse/JRASERVER-72029

CVSS

7.2HIGH[email protected]

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-287

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