CVE-2023-36647

Name: CVE-2023-36647
Creator: NVD / NIST
Published: 2023-12-12T01:15:10.01+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.75%

Last modified Jun 17, 2026

CVE-2023-36647 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

0.75%

50.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

Affected Software

Vendor	Product	Versions	Update
Prolion	Cryptospike	3.0.15	P2

References

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

Timeline

Published: Dec 12, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-36647?

How severe is CVE-2023-36647?

CVE-2023-36647 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2023-36647?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-36647?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST