VulnerabilityModified
CVE-2024-23744
There is persistent handshake denial if a client sends a TLS 1.3 ClientHello without extensions.
HIGH 7.5EPSS 0.69%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in Mbed TLS 3.5.1. There is persistent handshake denial if a client sends a TLS 1.3 ClientHello without extensions.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.69% probability · 51th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- trustedfirmware/mbed tls
- Source
- cve@mitre.org
References
- https://github.com/Mbed-TLS/mbedtls/issues/8694Exploit, Issue Tracking, Patch
- https://github.com/Mbed-TLS/mbedtls/issues/8694Exploit, Issue Tracking, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.