Is CVE-2020-36425 in the CISA KEV catalog?

No. CVE-2020-36425 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-36425?

CVE-2020-36425 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2020-36425?

CVE-2020-36425 has an EPSS score of 0.91% (56th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-36425?

Upgrade mbedtls on debian 11 to 2.16.9-0.1 or later.

CVE & CISA-KEV Catalog

CVE-2020-36425

MEDIUM

5.3

CVSS v3

NVD

Description

An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a revocationDate check when deciding whether to honor certificate revocation via a CRL. In some situations, an attacker can exploit this by changing the local clock.

CWE-295Improper Certificate Validation

How to fix

Remediation Available

mbedtlsDebian

Fixed in:2.16.9-0.1CVE-2020-36425

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

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.91%probability of exploitation in 30 days

56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Patch1

bugs.gentoo.org

Exploit1

github.com

Third-Party Advisory5

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.