How severe is CVE-2024-11738?

CVE-2024-11738 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2024-11738 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-11738?

CVE-2024-11738 affects Rustls Project Rustls. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-11738?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-11738 have an EU (EUVD) identifier?

Yes. CVE-2024-11738 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34179.

When was CVE-2024-11738 published?

CVE-2024-11738 was published on 2024-12-06 and last updated on 2026-06-17.

CVE-2024-11738

CVE-2024-11738 is a medium-severity vulnerability in Rustls Project Rustls with a CVSS 3.x base score of 5.3. 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-248.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-34179
Weakness: CWE-248
Affected product: Rustls Project Rustls
Published: 2024-12-06
Last modified: 2026-06-17

Description

A flaw was found in Rustls 0.23.13 and related APIs. This vulnerability allows denial of service (panic) via a fragmented TLS ClientHello message.

Frequently asked questions

What is CVE-2024-11738?: A flaw was found in Rustls 0.23.13 and related APIs. This vulnerability allows denial of service (panic) via a fragmented TLS ClientHello message.
How severe is CVE-2024-11738?: CVE-2024-11738 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2024-11738 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-11738?: CVE-2024-11738 affects Rustls Project Rustls. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-11738?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-11738 have an EU (EUVD) identifier?: Yes. CVE-2024-11738 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34179.
When was CVE-2024-11738 published?: CVE-2024-11738 was published on 2024-12-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rustls_project:rustls:0.23.13:*:*:*:*:*:*:*

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