How severe is CVE-2023-50781?

CVE-2023-50781 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-50781 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-50781?

CVE-2023-50781 primarily affects Redhat Enterprise Linux. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-50781?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-50781 have an EU (EUVD) identifier?

Yes. CVE-2023-50781 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0587.

When was CVE-2023-50781 published?

CVE-2023-50781 was published on 2024-02-05 and last updated on 2026-06-17.

CVE-2023-50781

CVE-2023-50781 is a high-severity vulnerability in Redhat Enterprise Linux with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-203.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0587
Weakness: CWE-203
Affected product: Redhat Enterprise Linux
Published: 2024-02-05
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-50781?: 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.
How severe is CVE-2023-50781?: CVE-2023-50781 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-50781 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-50781?: CVE-2023-50781 primarily affects Redhat Enterprise Linux. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-50781?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-50781 have an EU (EUVD) identifier?: Yes. CVE-2023-50781 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0587.
When was CVE-2023-50781 published?: CVE-2023-50781 was published on 2024-02-05 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:update_infrastructure:4:*:*:*:*:*:*:*
cpe:2.3:a:m2crypto_project:m2crypto:-:*:*:*:*:*:*:*

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