Is CVE-2020-36475 in the CISA KEV catalog?

No. CVE-2020-36475 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-36475?

CVE-2020-36475 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2020-36475?

CVE-2020-36475 has an EPSS score of 1.97% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-36475?

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

CVE & CISA-KEV Catalog

CVE-2020-36475

HIGHEPSS 78th pctl

7.5

CVSS v3

NVD

Description

An issue was discovered in Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS). The calculations performed by mbedtls_mpi_exp_mod are not limited; thus, supplying overly large parameters could lead to denial of service when generating Diffie-Hellman key pairs.

CWE-131

How to fix

Remediation Available

mbedtlsDebian

Fixed in:2.16.9-0.1CVE-2020-36475

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

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.97%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Patch1

cert-portal.siemens.com

Third-Party Advisory5

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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.