Medium severity5.9NVD Advisory· Published Jan 12, 2021· Updated Jun 17, 2026
CVE-2020-25657
CVE-2020-25657
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
65cpe:2.3:a:m2crypto_project:m2crypto:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:m2crypto_project:m2crypto:*:*:*:*:*:*:*:*
- (no CPE)
- cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- m2crypto/m2cryptodescription
- osv-coords58 versionspkg:rpm/opensuse/python-M2Crypto&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/python-M2Crypto&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/python-M2Crypto&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/python-M2Crypto&distro=openSUSE%20Leap%20Micro%205.2pkg:rpm/opensuse/python3-M2Crypto&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2012pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%202%2015%20SP3pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%203%2015%20SP5pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/python-M2Crypto&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/python-M2Crypto&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/python-M2Crypto&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/python3-M2Crypto&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/python3-M2Crypto&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/python3-M2Crypto&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/python3-M2Crypto&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/python3-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/python3-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/python3-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/python3-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/python3-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/python3-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/python3-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/python3-M2Crypto&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/python3-M2Crypto&distro=SUSE%20Manager%20Proxy%204.3pkg:rpm/suse/python3-M2Crypto&distro=SUSE%20Manager%20Server%204.3
< 0.35.2-150000.3.14.1+ 57 more
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.38.0-150400.3.3.1
- (no CPE)range: < 0.40.0-150400.3.9.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.44.0-150600.19.3.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.40.0-150400.3.9.1
- (no CPE)range: < 0.40.0-150400.3.9.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.38.0-150400.3.3.1
- (no CPE)range: < 0.29.0-23.8.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.40.0-150400.3.9.1
- (no CPE)range: < 0.29.0-23.8.1
- (no CPE)range: < 0.29.0-23.8.1
- (no CPE)range: < 0.29.0-23.8.1
- (no CPE)range: < 0.29.0-23.8.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.40.0-150400.3.9.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.29.0-23.8.1
- (no CPE)range: < 0.29.0-23.8.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.40.0-150400.3.9.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.35.2-150000.3.14.1
- (no CPE)range: < 0.29.0-23.8.1
- (no CPE)range: < 0.29.0-23.8.1
- (no CPE)range: < 0.44.0-150400.13.1
- (no CPE)range: < 0.44.0-150400.13.1
- (no CPE)range: < 0.44.0-150400.13.1
- (no CPE)range: < 0.44.0-150400.13.1
- (no CPE)range: < 0.44.0-150400.13.1
- (no CPE)range: < 0.44.0-150400.13.1
- (no CPE)range: < 0.44.0-150400.13.1
- (no CPE)range: < 0.44.0-150600.19.3.1
- (no CPE)range: < 0.44.0-150400.13.1
- (no CPE)range: < 0.44.0-150400.13.1
- (no CPE)range: < 0.44.0-150400.13.1
- (no CPE)range: < 0.44.0-150400.13.1
- (no CPE)range: < 0.44.0-150400.13.1
- (no CPE)range: < 0.44.0-150400.13.1
Patches
Vulnerability mechanics
References
1- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
News mentions
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