What is CVE-2023-36647?

CVE-2023-36647 is a high-severity vulnerability in Prolion Cryptospike, classified under Use of Hard-coded Credentials. CVSS score: 7.5/10. Published 2023-12-12.

How severe is CVE-2023-36647?

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

Vulnerability in Prolion Cryptospike

CVE-2023-36647

A hard-coded cryptographic private key used to sign JWT authentication tokens in ProLion CryptoSpike 3.0.15P2 allows remote attackers to impersonate arbitrary users and roles in web management and REST API endpoints via crafted JWT tokens.

Published 2023-12-12 · 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: 0.008 (53.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Prolion Cryptospike — versions 3.0.15

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

www.cvcn.gov.it/cvcn/cve/CVE-2023-36647 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-36647?: CVE-2023-36647 is a high-severity vulnerability in Prolion Cryptospike, classified under Use of Hard-coded Credentials. CVSS score: 7.5/10. Published 2023-12-12.
How severe is CVE-2023-36647?: High severity. CVSS v3 base score is 7.5 out of 10.