PT-2021-16943 · Atlassian · Jira

Published 2021-04-14 · Updated 2022-03-30 · CVE-2021-26076

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions Jira Server and Data Center versions prior to 8.5.12 Jira Server and Data Center versions 8.6.0 through 8.13.4 Jira Server and Data Center versions 8.14.0 through 8.14.x

Description The issue allows remote anonymous attackers to learn which mode a user is editing in due to the jira.editor.user.mode cookie not being set with a secure attribute if Jira was configured to use https. This can occur when an attacker performs a man-in-the-middle attack.

Recommendations For versions prior to 8.5.12, update to version 8.5.12 or later. For versions 8.6.0 through 8.13.4, update to version 8.13.4 or later. For versions 8.14.0 through 8.14.x, update to version 8.15.0 or later.

Fix

Related Identifiers

CVE-2021-26076

Affected Products

Jira

References · 4

• https://osv.dev/vulnerability/CVE-2021-26076 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-26076 · Security Note
• https://jira.atlassian.com/browse/JRASERVER-72252 · Vendor Advisory
• https://t.me/cvenotify/13243 · Telegram Post