Vulnerability DatabaseCVE-2023-52353
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CVE-2023-52353
Published:January 21, 2024
Updated:August 06, 2026
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 Resources (3)
https://nvd.nist.gov/vuln/detail/CVE-2023-52353
https://github.com/Mbed-TLS/mbedtls/issues/8654
https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52353.json
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Session Fixation
CWE-384
EPSS
Base Score:
0.47