Is CVE-2023-50781 in the CISA KEV catalog?

No. CVE-2023-50781 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-50781?

CVE-2023-50781 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-50781?

CVE-2023-50781 has an EPSS score of 1.12% (62th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-50781?

Upgrade m2crypto on debian 13 to 0.40.1-3 or later.

CVE & CISA-KEV Catalog

CVE-2023-50781

HIGH

7.5

CVSS v3

NVD

Description

A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.

CWE-203

How to fix

Remediation Available

m2cryptoDebian

Fixed in:0.40.1-3CVE-2023-50781

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

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.12%probability of exploitation in 30 days

62ndpercentile

Moderate risk: more likely to be exploited than 62% of all known CVEs.

References

Third-Party Advisory1

access.redhat.com

Issue Tracking1

bugzilla.redhat.com

Other references1

cert-portal.siemens.com

Related Vulnerabilities

Other CWE-203 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-5753	Medium	5.6	94%	-	Fix
CVE-2003-0190	Medium	5.0	77%	-	Fix
CVE-2017-5715	Medium	5.6	74%	-	Fix
CVE-2018-3639	Medium	5.5	61%	-	Fix
CVE-2023-28770	High	7.5	58%	-	Fix
CVE-2004-1602	Medium	5.0	31%	-	-

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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 2026-05-12.