Is CVE-2020-25657 in the CISA KEV catalog?

No. CVE-2020-25657 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-25657?

CVE-2020-25657 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2020-25657?

CVE-2020-25657 has an EPSS score of 1.73% (75th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-25657?

Upgrade m2crypto on debian 12 to 0.38.0-4 or later.

CVE & CISA-KEV Catalog

CVE-2020-25657

MEDIUMEPSS 75th pctl

5.9

CVSS v3

NVD

Description

A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality.

CWE-385

How to fix

Remediation Available

m2cryptoDebian

Fixed in:0.38.0-4CVE-2020-25657

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.73%probability of exploitation in 30 days

75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Third-Party Advisory1

bugzilla.redhat.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.