CVE-2023-1837 — Missing Authentication for critical function vulnerability in HYPR Server allows

Missing Authentication for critical function vulnerability in HYPR Server allows Authentication Bypass when using Legacy APIs.This issue affects HYPR Server: before 8.0 (with enabled Legacy APIs)

01What is this vulnerability?

Missing Authentication for critical function vulnerability in HYPR Server allows Authentication Bypass when using Legacy APIs.This issue affects HYPR Server: before 8.0 (with enabled Legacy APIs)

02Affected products

Vendor	Product	Versions
HYPR	HYPR Server	0

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: 2023-05-23T18:23:04.113Z
• Last modified: 2025-01-17T17:44:58.132Z

09References

• www.hypr.com — https://www.hypr.com/security-advisories