Is CVE-2021-38165 in the CISA KEV catalog?

No. CVE-2021-38165 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-38165?

CVE-2021-38165 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2021-38165?

CVE-2021-38165 has an EPSS score of 4.46% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-38165?

Upgrade lynx on debian 11 to 2.9.0dev.6-3~deb11u1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-38165

MEDIUMEPSS 90th pctl

5.3

CVSS v3

NVD

Description

Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote attackers to discover cleartext credentials because they may appear in SNI data.

CWE-522

How to fix

Remediation Available

lynxDebian

Fixed in:2.9.0dev.6-3~deb11u1CVE-2021-38165

Fixed in:2.9.0dev.6-3CVE-2021-38165

lynxUbuntu

Fixed in:2.8.9dev8-4ubuntu1+esm2USN-4800-1

Fixed in:2.8.9dev16-3ubuntu0.1~esm1USN-4800-1

Fixed in:2.9.0dev.5-1ubuntu0.1~esm1USN-4800-1

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 ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

4.46%probability of exploitation in 30 days

90thpercentile

High risk: more likely to be exploited than 90% of all known CVEs.

References

Third-Party Advisory9

Mailing List1

openwall.com

Other references3

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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.