Cyber Resilience

CVE-2021-26076

Low

Published: 15 April 2021

Published
15 April 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0021 44.0th percentile
Risk Priority 8 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-26076 is a low-severity an unspecified weakness vulnerability in Atlassian Jira Data Center. Its CVSS base score is 3.7 (Low).

Operationally, ranked at the 44.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The jira.editor.user.mode cookie set by the Jira Editor Plugin in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before version 8.13.4, and from version 8.14.0 before version 8.15.0 allows remote anonymous attackers who can perform an attacker…

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in the middle attack to learn which mode a user is editing in due to the cookie not being set with a secure attribute if Jira was configured to use https.

CWE(s)

Related Threats

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

Affected Assets

atlassian
data center
≤ 8.5.12
atlassian
jira
≤ 8.5.12
atlassian
jira data center
8.6.0 — 8.13.4 · 8.14.0 — 8.15.1
atlassian
jira server
8.6.0 — 8.13.4 · 8.14.0 — 8.15.1

Mitigating Controls

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

References