AUGUST 4, 2026
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Case File

CVE-2023-52353

HIGH · CVSS 7.5 EPSS 0.47% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2024-01-21 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2023-52353
Severity
HIGH
CVSS
7.5
EPSS
0.47%

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)