CVE-2023-52353 Security feature bypass in n/a

High 7.5 Published Updated

Attackers can downgrade TLS security by exploiting session reset flaws in Mbed TLS, forcing connections to use weaker protocols than intended.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-52353?

CVE-2023-52353 is a high-severity vulnerability in Arm Mbed Tls, published on 21 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-384

Which versions are affected by CVE-2023-52353?

It affects 1 product.

Products include Arm Mbed Tls.

How do I fix CVE-2023-52353?

No fix has been published for CVE-2023-52353 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-52353 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-52353 exists.

All Arm Mbed Tls vulnerabilities

Sources

Also known as GHSA-jggj-wjwc-8gg9.

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