CVE-2022-33738
Published: 06 July 2022
Summary
CVE-2022-33738 is a high-severity Insufficient Entropy (CWE-331) vulnerability in Openvpn Openvpn Access Server. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 44.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-36777
Vulnerability details
OpenVPN Access Server before 2.11 uses a weak random generator used to create user session token for the web portal
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Approved key-establishment methods mandate sufficient entropy during key generation, eliminating entropy-starved keys.
Security associations share details on cryptographically weak PRNGs, helping avoid their implementation in security-critical functions.