CVE-2021-26076
Last modified
CVE-2021-26076 is a low-severity vulnerability rated 3.7/10 on the CVSS scale. 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.. EPSS estimates a 1.23% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Atlassian | Data Center | < 8.5.12 |
| Atlassian | Jira | < 8.5.12 |
| Atlassian | Jira Data Center | >= 8.6.0, < 8.13.4 |
| Atlassian | Jira Data Center | >= 8.14.0, < 8.15.1 |
| Atlassian | Jira Server | >= 8.6.0, < 8.13.4 |
| Atlassian | Jira Server | >= 8.14.0, < 8.15.1 |
References
- https://jira.atlassian.com/browse/JRASERVER-72252Patch, Vendor Advisory
- https://jira.atlassian.com/browse/JRASERVER-72252Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-26076?
How severe is CVE-2021-26076?
How do I fix CVE-2021-26076?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-26070Affected versions of Atlassian Jira Server and Data Center a…7.2
- CVE-2021-26071The SetFeatureEnabled.jspa resource in Jira Server and Data …3.5
- CVE-2021-26072The WidgetConnector plugin in Confluence Server and Confluen…4.3
- CVE-2021-26073Broken Authentication in Atlassian Connect Express (ACE) fro…7.7
- CVE-2021-26074Broken Authentication in Atlassian Connect Spring Boot (ACSB…6.5
- CVE-2021-26075The Jira importers plugin AttachTemporaryFile rest resource …4.3
- CVE-2021-26077Broken Authentication in Atlassian Connect Spring Boot (ACSB…8.8
- CVE-2021-26078The number range searcher component in Jira Server and Jira …6.1
- CVE-2021-26079The CardLayoutConfigTable component in Jira Server and Jira …6.1
- CVE-2021-26080EditworkflowScheme.jspa in Jira Server and Jira Data Center …6.1
- CVE-2021-26081REST API in Atlassian Jira Server and Jira Data Center befor…5.3
- CVE-2021-26082The XML Export in Atlassian Jira Server and Jira Data Center…5.4
Are you affected by CVE-2021-26076?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
