CVE-2021-27229

HIGH
8.8
CVSS Score
Published: February 16, 2021 at 03:04 AM UTC
Updated: June 17, 2026 at 03:44 AM UTC
2 products affected across 2 vendorsDebian LinuxMumble

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Severity
HIGH8.8
Exploit prediction
EPSS 3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.3.4
Affected range stops below 1.3.4, so it looks safe — our inference, not a vendor statement

References (5)

x_refsource_MISCPatchThird Party Advisory
https://github.com/mumble-voip/mumble/pull/4733
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00022.html
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
https://security.gentoo.org/glsa/202105-13

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-59

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