Lucene search
+L

A flaw was found in all released versions of m2crypto where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality.

🗓️ 14 Jul 2022 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

Bleichenbacher timing attack affects m2crypto decryption of PKCS one five ciphertext.

Related
Detection
ReporterTitlePublishedViews
Family
CBLMariner
CVE-2020-25657 affecting package m2crypto for versions less than 0.38.0-3
31 Aug 202206:17
cbl_mariner
CBLMariner
CVE-2020-25657 affecting package m2crypto 0.35.2-8
12 Jan 202509:15
cbl_mariner
CBLMariner
CVE-2020-25657 affecting package m2crypto for versions less than 0.38.0-3
19 Mar 202417:21
cbl_mariner
Circl
CVE-2020-25657
5 Feb 202423:56
circl
CVE
CVE-2020-25657
12 Jan 202114:33
cve
CVE
CVE-2023-50781
5 Feb 202420:45
cve
Cvelist
CVE-2020-25657
12 Jan 202114:33
cvelist
Cvelist
CVE-2023-50781 M2crypto: bleichenbacher timing attacks in the rsa decryption api - incomplete fix for cve-2020-25657
5 Feb 202420:45
cvelist
Debian CVE
CVE-2020-25657
12 Jan 202114:33
debiancve
EUVD
EUVD-2020-18321
7 Oct 202500:30
euvd
Rows per page

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

18 Feb 2026 09:05Current
6.6Medium risk
Vulners AI Score6.6
CVSS 24.3
CVSS 3.15.9
EPSS0.01727
2