CVE-2023-52353
HIGHCVSS 7.5/10EPSS 0.47%
Last modified
CVE-2023-52353 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in Mbed TLS through 3.5.1. In mbedtls_ssl_session_reset, the maximum negotiable TLS version is mishandled. EPSS estimates a 0.47% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Arm | Mbed Tls | < 3.5.2 |
References
- https://github.com/Mbed-TLS/mbedtls/issues/8654Exploit, Issue Tracking, Patch
- https://github.com/Mbed-TLS/mbedtls/issues/8654Exploit, Issue Tracking, Patch
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-52353?
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.
How severe is CVE-2023-52353?
CVE-2023-52353 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.
How do I fix CVE-2023-52353?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-52353?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST