Vulnerability in M2crypto_project M2crypto
CVE-2020-25657
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 vulnerabilit…
EPSS: 0.017 (75.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- M2crypto_project M2crypto
- Fedoraproject Fedora — versions 33
- Redhat Enterprise_linux — versions 6.0, 7.0
- Redhat Virtualization — versions 4.0
- N/a M2crypto — versions All released versions of m2crypto
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2020-25657?
- CVE-2020-25657 is a medium-severity vulnerability in M2crypto_project M2crypto, classified under CWE-385. CVSS score: 5.9/10. Published 2021-01-12.
- How severe is CVE-2020-25657?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2020-25657 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.