The ECDSA operation of the micro-ecc library 1.0 is vulnerable to simple power analysis…
Priority LOW 36Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
The ECDSA operation of the micro-ecc library 1.0 is vulnerable to simple power analysis attacks which allows an adversary to extract the private ECC key.
Why it matters now
EPSS 0.01537 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:micro-ecc_project:micro-ecc:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Micro-ecc Project |
- cpe:2.3:a:micro-ecc_project:micro-ecc:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Micro-ecc Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-27209
- 2026-10-03 Alias added: GHSA-q6hh-7xhq-494h
References
Sources
- CVE-2020-27209 · CVE Program
- CVE-2020-27209 · NVD
- FIRST EPSS
- GHSA-q6hh-7xhq-494h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences