CVE-2025-49087CWE-385

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…

Medium · published July 20, 2025

CVSS v3.1
4.0
EPSS
0%
Percentile
39.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.0 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00473 · 39.9th percentile
Weakness
CWE-385 · Covert Timing Channel
Published
2025-07-20T00:00Z
EPSS history
Timeline
  • 20 JUL 00:00Z
    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…
    cvelistv5