Is CVE-2022-21187 in the CISA KEV catalog?

No. CVE-2022-21187 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-21187?

CVE-2022-21187 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2022-21187?

CVE-2022-21187 has an EPSS score of 3.65% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-21187?

Upgrade libvcs to 0.11.1 or later.

CVE & CISA-KEV Catalog

CVE-2022-21187

HIGHEPSS 88th pctl

8.1

CVSS v3

NVD

Description

The package libvcs before 0.11.1 are vulnerable to Command Injection via argument injection. When calling the update_repo function (when using hg), the url parameter is passed to the hg clone command. By injecting some hg options it was possible to get arbitrary command execution.

CWE-88

How to fix

Remediation Available

libvcsNVD

Affected:< 0.11.1Fixed in:0.11.1CVE-2022-21187derived from NVD

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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.65%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Patch1

github.com

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.