Is CVE-2022-25640 in the CISA KEV catalog?

No. CVE-2022-25640 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-25640?

CVE-2022-25640 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-25640?

CVE-2022-25640 has an EPSS score of 1.33% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-25640?

Upgrade wolfssl on debian 11 to 4.6.0+p1-0+deb11u1 or later.

CVE & CISA-KEV Catalog

CVE-2022-25640

HIGH

7.5

CVSS v3

NVD

Description

In wolfSSL before 5.2.0, a TLS 1.3 server cannot properly enforce a requirement for mutual authentication. A client can simply omit the certificate_verify message from the handshake, and never present a certificate.

CWE-295Improper Certificate Validation

How to fix

Remediation Available

wolfsslDebian

Fixed in:4.6.0+p1-0+deb11u1CVE-2022-25640

Fixed in:5.2.0-1CVE-2022-25640

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

1.33%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Patch1

github.com

Related Vulnerabilities

Other CWE-295 (Improper Certificate Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-4000	Low	3.7	100%	-	Fix
CVE-2020-0601	High	8.1	89%	KEV	Fix
CVE-2009-3555	Critical	9.8	87%	-	Fix
CVE-2022-26923	High	8.8	83%	KEV	Fix
CVE-2023-27823	Critical	9.8	53%	-	-
CVE-2022-42979	High	8.8	24%	-	-

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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.