What is CVE-2023-36649?

CVE-2023-36649 is a critical-severity vulnerability in Prolion Cryptospike, classified under Insertion of Sensitive Information into Log File. CVSS score: 9.1/10. Published 2023-12-12.

How severe is CVE-2023-36649?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Information disclosure in Prolion Cryptospike

CVE-2023-36649

Insertion of sensitive information in the centralized (Grafana) logging system in ProLion CryptoSpike 3.0.15P2 allows remote attackers to impersonate other users in web management and the REST API by reading JWT tokens from logs (as a Granafa authenticated user) or from the Loki REST API without authentication.

Published 2023-12-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Prolion Cryptospike — versions 3.0.15

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

www.cvcn.gov.it/cvcn/cve/CVE-2023-36649 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-36649?: CVE-2023-36649 is a critical-severity vulnerability in Prolion Cryptospike, classified under Insertion of Sensitive Information into Log File. CVSS score: 9.1/10. Published 2023-12-12.
How severe is CVE-2023-36649?: Critical severity. CVSS v3 base score is 9.1 out of 10.