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CVE-2025-27809

Published: Mar 25, 2025Updated: Jun 5, 2026 Sources: CVE List NVD BDUCWE-1188
NVD MITRE
5.4CVSSMEDIUM
EPSS Score
0.2%
Top 93.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Mbed TLS before 2.28.10 and 3.x before 3.6.3, on the client side, accepts servers that have trusted certificates for arbitrary hostnames unless the TLS client application calls mbedtls_ssl_set_hostname.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-1188

Affected Products

mbed tlsarmOSS Libraries
mbed tlstrustedfirmware
On-premSecurity Product
Security Products / pki-crypto
mbedtlsMbed
Library
Security Products / pki-crypto
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
armoss-projectGBOSS Librariesaka arm ltd
trustedfirmwarecommercialSecurity Productsaka mbed tls, op-tee, trusted firmware-a
mbedoss-projectSecurity Productsaka mbedtls
ооо «ред софт»commercialRUOperating Systemsaka red soft
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
and 1 more affected products View all →

Exploitability

Official Patch Available

References

https://github.com/Mbed-TLS/mbedtls/releases
github.com
https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-03-1/
mbed-tls.readthedocs.io
https://github.com/Mbed-TLS/mbedtls/issues/466
github.com
and 5 more references View all →

Timeline

Published
Mar 25, 2025
Last Updated
Jun 5, 2026

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