What is CVE-2023-45199?

CVE-2023-45199 is a critical-severity vulnerability in Trustedfirmware Mbed_tls, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-10-07.

How severe is CVE-2023-45199?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Trustedfirmware Mbed_tls

CVE-2023-45199

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

Vulnerability class: Buffer Overflow

EPSS: 0.093 (92.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Trustedfirmware Mbed_tls
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2023-45199?: CVE-2023-45199 is a critical-severity vulnerability in Trustedfirmware Mbed_tls, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-10-07.
How severe is CVE-2023-45199?: Critical severity. CVSS v3 base score is 9.8 out of 10.