CVE-2021-27229
HIGHCVSS 8.8/10EPSS 3.20%
Last modified
CVE-2021-27229 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Mumble before 1.3.4 allows remote code execution if a victim navigates to a crafted URL on a server list and clicks on the Open Webpage text.. EPSS estimates a 3.20% chance of exploitation in the next 30 days.
Description
Mumble before 1.3.4 allows remote code execution if a victim navigates to a crafted URL on a server list and clicks on the Open Webpage text.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mumble | Mumble | < 1.3.4 |
| Debian | Debian Linux | 9.0 |
References
- https://github.com/mumble-voip/mumble/commit/e59ee87abe249f345908c7d568f6879d16bfd648Patch, Third Party Advisory
- https://github.com/mumble-voip/mumble/compare/1.3.3...1.3.4Patch, Third Party Advisory
- https://github.com/mumble-voip/mumble/pull/4733Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00022.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202105-13Third Party Advisory
- https://github.com/mumble-voip/mumble/commit/e59ee87abe249f345908c7d568f6879d16bfd648Patch, Third Party Advisory
- https://github.com/mumble-voip/mumble/compare/1.3.3...1.3.4Patch, Third Party Advisory
- https://github.com/mumble-voip/mumble/pull/4733Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00022.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202105-13Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-27229?
Mumble before 1.3.4 allows remote code execution if a victim navigates to a crafted URL on a server list and clicks on the Open Webpage text.
How severe is CVE-2021-27229?
CVE-2021-27229 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.20% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27229?
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-2021-27229?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST