How severe is CVE-2023-36647?

CVE-2023-36647 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2023-36647 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36647?

CVE-2023-36647 affects Prolion Cryptospike. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36647?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-36647 published?

CVE-2023-36647 was published on 2023-12-12 and last updated on 2026-06-17.

CVE-2023-36647

CVE-2023-36647 is a high-severity vulnerability in Prolion Cryptospike with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Prolion Cryptospike
Published: 2023-12-12
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-36647?: CVE-2023-36647 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-36647 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36647?: CVE-2023-36647 affects Prolion Cryptospike. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36647?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-36647 published?: CVE-2023-36647 was published on 2023-12-12 and last updated on 2026-06-17.

References

https://www.cvcn.gov.it/cvcn/cve/CVE-2023-36647

Affected products (1)

cpe:2.3:a:prolion:cryptospike:3.0.15:p2:*:*:*:*:*:*

More vulnerabilities in Prolion Cryptospike

CVE-2023-36655 — Critical (CVSS 9.8): The login REST API in ProLion CryptoSpike 3.0.15P2 (when LDAP or Active Directory is used as the users store) allows a…
CVE-2023-36649 — Critical (CVSS 9.1): Insertion of sensitive information in the centralized (Grafana) logging system in ProLion CryptoSpike 3.0.15P2 allows…
CVE-2023-36646 — High (CVSS 8.8): Incorrect user role checking in multiple REST API endpoints in ProLion CryptoSpike 3.0.15P2 allows a remote attacker…
CVE-2023-36648 — High (CVSS 8.2): Missing authentication in the internal data streaming system in ProLion CryptoSpike 3.0.15P2 allows remote…
CVE-2023-36651 — High (CVSS 7.2): Hidden and hard-coded credentials in ProLion CryptoSpike 3.0.15P2 allow remote attackers to login to web management as…
CVE-2023-36650 — High (CVSS 7.2): A missing integrity check in the update system in ProLion CryptoSpike 3.0.15P2 allows attackers to execute OS commands…

All CVEs affecting Prolion Cryptospike →

Other CWE-798 (Use of Hard-coded Credentials) vulnerabilities

CVE-2026-13768 — Critical (CVSS 10.0): Gardyn devices expose a privileged iothubowner key. Access to this key will allow a malicious user to invoke an IoTHub…
CVE-2026-45631 — Critical (CVSS 10.0): Dokploy is a free, self-hostable Platform as a Service (PaaS). From 0.27.0 to before 0.29.3, a hardcoded…
CVE-2026-22769 — Critical (CVSS 10.0): Dell RecoverPoint for Virtual Machines, versions prior to 6.0.3.1 HF1, contain a hardcoded credential vulnerability.…
CVE-2025-42890 — Critical (CVSS 10.0): SQL Anywhere Monitor (Non-GUI) baked credentials into the code,exposing the resources or functionality to unintended…
CVE-2025-7503 — Critical (CVSS 10.0): An OEM IP camera manufactured by Shenzhen Liandian Communication Technology LTD exposes a Telnet service (port 23) with…
CVE-2025-20309 — Critical (CVSS 10.0): A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session…

Browse all CWE-798 (Use of Hard-coded Credentials) vulnerabilities →