VDB
CVE-2020-25657
CVE-2020-25657
PUBLISHED
CVSS 5.900000095367432 MEDIUM
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.
EPSS 1.74% · 76.8th percentile
Risk Scores
CVSS 3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
1.74%
76.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:25.10 | m2crypto | 0, 0.42.0-3, 0.42.0-2.1build1 |
| Ubuntu:22.04:LTS | m2crypto | 0.38.0-1ubuntu3, 0, 0.38.0-1ubuntu5 |
| Ubuntu:14.04:LTS | m2crypto | 0.21.1-3ubuntu4, 0.21.1-3ubuntu5, 0.21.1-3ubuntu3 |
| Ubuntu:16.04:LTS | m2crypto | 0.22.6~rc4-1ubuntu1, 0, 0.21.1-3ubuntu5 |
| Ubuntu:20.04:LTS | m2crypto | 0, 0.31.0-6build1, 0.31.0-7 |
| Ubuntu:18.04:LTS | m2crypto | 0, 0.27.0-2, 0.27.0-4 |
| Ubuntu:24.04:LTS | m2crypto | 0.38.0-4.1, 0.40.1-0ubuntu1, 0.40.1-1 |
Timeline
- Jan 12, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 29, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 2, 2022 EPSS Score
- May 4, 2022 EPSS Score
- Jul 6, 2022 EPSS Score
- Sep 8, 2022 EPSS Score
- Nov 10, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-25657 third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1889823 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-25657 third-party-advisory