What’s Vulnerable › Vulnerabilities

CVE-2023-45199

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-07 · updated 2026-06-17
• Weakness: CWE-120

Description

Mbed TLS 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code execution.

Affected products

• TrustedFirmware Mbed TLS: from 3.2.0 before 3.5.0 — fixed in 3.5.0

How to fix

Upgrade to a fixed version: TrustedFirmware Mbed TLS 3.5.0. Check the vendor advisory for mitigations.

References

• https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2023-10-2/
• https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2023-10-2/

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