CVE-2021-26076

Low

Description

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 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.

SeverityLow
CVSS3.7
Exploit probability—
ProductAtlassian Data Center
PublishedApr 15, 2021
First seenApr 15, 2021

How to fix

Update
  • atlassian data_center8.5.12 or later
  • atlassian jira8.5.12 or later
  • atlassian jira_data_center8.13.4, 8.15.1 or later
  • atlassian jira_server8.13.4, 8.15.1 or later

Affected products

ProductAffected versionsFixed in
atlassian data_centerv < 8.5.128.5.12
atlassian jirav < 8.5.128.5.12
atlassian jira_data_center8.6.0 ≤ v < 8.13.4, 8.14.0 ≤ v < 8.15.18.13.4, 8.15.1
atlassian jira_server8.6.0 ≤ v < 8.13.4, 8.14.0 ≤ v < 8.15.18.13.4, 8.15.1

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