CVE-2020-25657
5.9
MEDIUM
CVSS 3.1
EPSS 0.31%
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.
How to fix CVE-2020-25657
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/m2crypto—no fix listed
Is CVE-2020-25657 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |