Missing authentication in HYPR Server
Priority MEDIUM 41CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.
Summary
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)
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00548 46th percentileScored 2026-11-07
Fix Fixed HYPR Server (HYPR): 8.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA HYPR Server (HYPR) Fixed in 8.0
Timeline
- 2026-10-02 Threatist record created from CVE-2023-1837
- 2026-10-03 Alias added: GHSA-vhrm-3gmw-7rpc
References
Advisory 1
More Hypr Server vulnerabilities
- TI-2022-02030 Authorization bypass in HYPR Server CVSS 3.1HIGH 8.8
- TI-2022-02029 Forced Browsing vulnerability in HYPR Server version 6.10 to 6.15.1 allows remote… CVSS 3.1HIGH 8.8
- TI-2024-07669 Authentication bypass by spoofing in HYPR Server CVSS 4.0HIGH 7.1
Sources
- CVE-2023-1837 · CVE Program
- CVE-2023-1837 · NVD
- FIRST EPSS
- GHSA-vhrm-3gmw-7rpc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences