What is CVE-2023-24533?

CVE-2023-24533 is a high-severity vulnerability in Filippo.io/nistec, classified under Incorrect Calculation. CVSS score: 7.5/10. Published 2023-03-08.

How severe is CVE-2023-24533?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Filippo.io/nistec

CVE-2023-24533

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.

Published 2023-03-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Filippo.io/nistec — versions 0
Nistec Project

Weakness classification (CWE)

CWE-682 — Incorrect Calculation

References

go.dev/issue/58647 (Patch, Issue Tracking)
github.com/FiloSottile/nistec/commit/c58aa1223ccf3943513e1e661cebce95af137244 (Patch)
pkg.go.dev/vuln/GO-2023-1595 (Third Party Advisory)

Frequently asked questions

What is CVE-2023-24533?: CVE-2023-24533 is a high-severity vulnerability in Filippo.io/nistec, classified under Incorrect Calculation. CVSS score: 7.5/10. Published 2023-03-08.
How severe is CVE-2023-24533?: High severity. CVSS v3 base score is 7.5 out of 10.