CVE-2023-45199

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Summary

CVECVE-2023-45199
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-10-07 01:15:10 UTC
Updated2026-06-05 19:38:32 UTC
DescriptionMbed TLS 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code execution.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.092730000 probability, percentile 0.929180000 (date 2026-06-11)

Problem Types: CWE-120 | n/a

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Trustedfirmware Mbed Tls All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified
ADP Mbed Mbedtls affected 3.2x 3.4x custom Not specified
ADP Mbed Mbedtls affected 3.5 custom Not specified

References

ReferenceSourceLinkTags
Buffer overflow in TLS handshake parsing with ECDH — Mbed TLS documentation af854a3a-2127-422b-91ae-364da2661108 mbed-tls.readthedocs.io Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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