CVE-2025-49087

3.7 lowEPSS 0.5%

Low (3.7) in trustedfirmware mbed tls. EPSS 0.5% chance of exploitation in the next 30 days.

In Mbed TLS 3.6.1 through 3.6.3 before 3.6.4, a timing discrepancy in block cipher padding removal allows an attacker to recover the plaintext when PKCS#7 padding mode is used.

Severity

CVSS 3.1

3.7 low

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-31)
CWE: CWE-385
Published: 2025-07-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

trustedfirmware:mbed_tls

References

https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-5.md
https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/

Check your stack JSON