High severity · published Feb 16, 2021
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
8.8
CVSS
3.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.2% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
MU
Mumble · Mumble
before 1.3.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-27229
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-27229
Patch
https://github.com/mumble-voip/mumble/commit/e59ee87abe249f345908c7d568f6879d16bfd648
Patch
https://github.com/mumble-voip/mumble/compare/1.3.3...1.3.4
Patch
https://github.com/mumble-voip/mumble/pull/4733
Mailing List
https://lists.debian.org/debian-lts-announce/2021/02/msg00022.html
Third Party Advisory
https://security.gentoo.org/glsa/202105-13
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