Is CVE-2021-27229 in the CISA KEV catalog?

No. CVE-2021-27229 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-27229?

CVE-2021-27229 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2021-27229?

CVE-2021-27229 has an EPSS score of 3.20% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-27229?

Upgrade mumble on debian 11 to 1.3.4-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-27229

HIGHEPSS 87th pctl

8.8

CVSS v3

NVD

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.

CWE-59Link Following

How to fix

Remediation Available

mumbleDebian

Fixed in:1.3.4-1CVE-2021-27229

mumbleUbuntu

Fixed in:1.2.12-1ubuntu1+esm1USN-5195-2

Fixed in:1.2.19-1ubuntu1.1USN-5195-1

Fixed in:1.3.0+dfsg-1ubuntu0.1USN-5195-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

3.20%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Patch3

Third-Party Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.