CVE-2023-36655 — The login REST API in ProLion CryptoSpike 3

The login REST API in ProLion CryptoSpike 3.0.15P2 (when LDAP or Active Directory is used as the users store) allows a remote blocked user to login and obtain an authentication token by specifying a username with different uppercase/lowercase character combination.

01What is this vulnerability?

The login REST API in ProLion CryptoSpike 3.0.15P2 (when LDAP or Active Directory is used as the users store) allows a remote blocked user to login and obtain an authentication token by specifying a username with different uppercase/lowercase character combination.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-12-06T00:00:00.000Z
• Last modified: 2024-10-10T19:04:32.577Z

09References

• prolion.com — https://prolion.com/cryptospike/
• www.cvcn.gov.it — https://www.cvcn.gov.it/cvcn/cve/CVE-2023-36655