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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
mitreCNA
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CVEADP
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CISA-ADPADP
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 23%
VendorProductVersion
armmbed_tls
𝑥
< 3.5.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
mbedtls
bullseye
2.16.9-0.1
fixed
bookworm
2.28.3-1
fixed
trixie
3.6.2-3
fixed
sid
3.6.2-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
mbedtls
oracular
needs-triage
noble
needs-triage
mantic
ignored
lunar
ignored
jammy
needs-triage
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
dne
Common Weakness Enumeration
References
https://github.com/Mbed-TLS/mbedtls/issues/8654
https://github.com/Mbed-TLS/mbedtls/issues/8654