High severity · published Jan 21, 2024
CVE-2023-52353
An issue was discovered in Mbed TLS through 3.5.1
7.5
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MT
Mbed Tls · Arm
before 3.5.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-52353
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-52353
Exploit
https://github.com/Mbed-TLS/mbedtls/issues/8654
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