What is CVE-2023-52353?

CVE-2023-52353 is a high-severity vulnerability in Arm Mbed_tls, classified under Session Fixation. CVSS score: 7.5/10. Published 2024-01-21.

How severe is CVE-2023-52353?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Arm Mbed_tls

CVE-2023-52353

An issue was discovered in Mbed TLS through 3.5.1. In mbedtls_ssl_session_reset, the maximum negotiable TLS version is mishandled. For example, if the last connection negotiated TLS 1.2, then 1.2 becomes the new maximum.

EPSS: 0.005 (37.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Arm Mbed_tls
N/a — versions n/a

Weakness classification (CWE)

CWE-384 — Session Fixation

References

cve@mitre.org (Exploit, Patch, Issue Tracking)

Frequently asked questions

What is CVE-2023-52353?: CVE-2023-52353 is a high-severity vulnerability in Arm Mbed_tls, classified under Session Fixation. CVSS score: 7.5/10. Published 2024-01-21.
How severe is CVE-2023-52353?: High severity. CVSS v3 base score is 7.5 out of 10.