CVE-2021-26076

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.

3.7

CVSS

Severity: Low

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.33%

Vendor Advisory atlassian.com

Affected: Atlassian Jira Server

Affected: Atlassian Jira Data Center

References

Link	Tags
https://jira.atlassian.com/browse/JRASERVER-72252	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-26076?: CVE-2021-26076 has been scored as a low severity vulnerability.
How to fix CVE-2021-26076?: To fix CVE-2021-26076, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-26076 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-26076 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-26076?: CVE-2021-26076 affects Atlassian Jira Server, Atlassian Jira Data Center.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.