CVE-2021-42326
MEDIUMCVSS 5.3/10EPSS 1.13%
Last modified
CVE-2021-42326 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due to an insufficient access filter.. EPSS estimates a 1.13% chance of exploitation in the next 30 days.
Description
Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due to an insufficient access filter.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redmine | Redmine | < 4.1.5 |
| Redmine | Redmine | >= 4.2.0, < 4.2.3 |
| Debian | Debian Linux | 9.0 |
References
- https://lists.debian.org/debian-lts-announce/2021/10/msg00013.htmlThird Party Advisory
- https://www.redmine.org/news/133Mitigation, Vendor Advisory
- https://www.redmine.org/projects/redmine/wiki/Changelog_4_1#415-2021-10-10Release Notes, Vendor Advisory
- https://www.redmine.org/projects/redmine/wiki/Changelog_4_2#423-2021-10-10Release Notes, Vendor Advisory
- https://www.redmine.org/projects/redmine/wiki/Security_AdvisoriesPatch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/10/msg00013.htmlThird Party Advisory
- https://www.redmine.org/news/133Mitigation, Vendor Advisory
- https://www.redmine.org/projects/redmine/wiki/Changelog_4_1#415-2021-10-10Release Notes, Vendor Advisory
- https://www.redmine.org/projects/redmine/wiki/Changelog_4_2#423-2021-10-10Release Notes, Vendor Advisory
- https://www.redmine.org/projects/redmine/wiki/Security_AdvisoriesPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-42326?
Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due to an insufficient access filter.
How severe is CVE-2021-42326?
CVE-2021-42326 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.13% probability of exploitation in the next 30 days.
How do I fix CVE-2021-42326?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
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Are you affected by CVE-2021-42326?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST