CVE-2020-28498
Elliptic Uses a Broken or Risky Cryptographic Algorithm
6.8
MEDIUM
CVSS 3.1
EPSS 3.9%
Description
The package elliptic before 6.5.4 are vulnerable to Cryptographic Issues via the secp256k1 implementation in elliptic/ec/key.js. There is no check to confirm that the public key point passed into the derive function actually exists on the secp256k1 curve. This results in the potential for the private key used in this implementation to be revealed after a number of ECDH operations are performed.
How to fix CVE-2020-28498
To remediate CVE-2020-28498, upgrade the affected package to a fixed version below.
- —upgrade to 6.5.4~dfsg-1 or later
- —upgrade to 6.5.4 or later
Is CVE-2020-28498 being exploited?
Low — EPSS is 3.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 6.5.4~dfsg-1
- from 0, < 6.5.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N |