CVE Tools
Sign in

CVE-2025-54764

Published: Oct 20, 2025Updated: Oct 31, 2025 Sources: CVE List NVDCWE-208
NVD MITRE
6.2CVSSMEDIUM
EPSS Score
0.2%
Top 89.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Mbed TLS before 3.6.5 allows a local timing attack against certain RSA operations, and direct calls to mbedtls_mpi_mod_inv or mbedtls_mpi_gcd.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-208

Affected Products

n/an/a
mbed tlsarmOSS Libraries
armoss-projectGBOSS Librariesaka arm ltd

Exploitability

Official Patch Available

References

https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/
mbed-tls.readthedocs.io
https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-10-ssbleed-mstep/
mbed-tls.readthedocs.io

Timeline

Published
Oct 20, 2025
Last Updated
Oct 31, 2025

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2025-54764 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows