Is CVE-2021-41973 in the CISA KEV catalog?

No. CVE-2021-41973 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-41973?

CVE-2021-41973 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-41973?

CVE-2021-41973 has an EPSS score of 4.33% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-41973?

Upgrade mina to 2.1.5 or later.

CVE & CISA-KEV Catalog

CVE-2021-41973

MEDIUMEPSS 90th pctl

6.5

CVSS v3

NVD

Description

In Apache MINA, a specifically crafted, malformed HTTP request may cause the HTTP Header decoder to loop indefinitely. The decoder assumed that the HTTP Header begins at the beginning of the buffer and loops if there is more data than expected. Please update MINA to 2.1.5 or greater.

CWE-835

How to fix

Remediation Available

minaNVD

Affected:>= 2.1.0, < 2.1.5Fixed in:2.1.5CVE-2021-41973derived 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 ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

4.33%probability of exploitation in 30 days

90thpercentile

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

References

Patch3

Third-Party Advisory1

openwall.com

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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.