Incorrect multiplication of unreduced P-256 scalars in filippo.io/nistec
Priority LOW 34CWE-682Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.
Summary
Multiplication of certain unreduced P-256 scalars produce incorrect results. There are no protocols known at this time that can be attacked due to this.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00674 52nd percentileScored 2026-11-07
Fix Fixed filippo.io/nistec (filippo.io/nistec): 0.0.2filippo.io/nistec (Go): 0.0.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| filippo.io/nistec | filippo.io/nistec | before 0.0.2 | 0.0.2 | Patch available | CNA |
| — | filippo.io/nistec (Go) | before 0.0.2 | 0.0.2 | Patch available | GHSA-f6hc-9g49-xmx7 |
- filippo.io/nistec Vendorfilippo.io/nistec Affected before 0.0.2 Fixed in 0.0.2 Patch available CNA
- filippo.io/nistec (Go) Vendor— Affected before 0.0.2 Fixed in 0.0.2 Patch available GHSA-f6hc-9g49-xmx7
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nistec_project:nistec:*:*:*:*:*:go:*:* | before 0.0.2 | Vulnerable | Nistec Project |
- cpe:2.3:a:nistec_project:nistec:*:*:*:*:*:go:*:* Versions before 0.0.2 Vulnerable ·Nistec Project
Remediation
- Fix · CNA filippo.io/nistec (filippo.io/nistec) Fixed in 0.0.2
- Fix · GHSA-f6hc-9g49-xmx7 filippo.io/nistec (Go) Fixed in 0.0.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-24533
- 2026-10-03 Alias added: GHSA-f6hc-9g49-xmx7
References
Sources
- CVE-2023-24533 · CVE Program
- CVE-2023-24533 · NVD
- FIRST EPSS
- GHSA-f6hc-9g49-xmx7 · 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