CVE-2023-52353

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.07%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/Mbed-TLS/mbedtls/issues/8654 issue tracking exploit patch

Frequently Asked Questions

What is the severity of CVE-2023-52353?
CVE-2023-52353 has been scored as a high severity vulnerability.
How to fix CVE-2023-52353?
To fix CVE-2023-52353, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-52353 being actively exploited in the wild?
It is possible that CVE-2023-52353 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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