Description
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.
Published: 2025-07-20
Score: 4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-22030 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.
History

Thu, 07 Aug 2025 01:30:00 +0000

Type Values Removed Values Added
First Time appeared Arm
Arm mbed Tls
CPEs cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
Vendors & Products Arm
Arm mbed Tls

Mon, 21 Jul 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 20 Jul 2025 18:30:00 +0000

Type Values Removed Values Added
Description 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.
Weaknesses CWE-385
References
Metrics cvssV3_1

{'score': 4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-07-21T20:37:09.142Z

Reserved: 2025-05-30T00:00:00.000Z

Link: CVE-2025-49087

cve-icon Vulnrichment

Updated: 2025-07-21T20:35:46.885Z

cve-icon NVD

Status : Analyzed

Published: 2025-07-20T19:15:24.037

Modified: 2025-08-07T01:21:40.363

Link: CVE-2025-49087

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-21T15:17:00Z

Weaknesses