Home/CVE/OpenVPN Access Server before 2.11 uses a weak random generator used to create user session token for the web portal
CVE

CVE-2022-33738

OpenVPN Access Server before 2.11 uses a weak random generator used to create user session token for the web portal

OpenVPN Access Server before 2.11 uses a weak random generator used to create user session token for the web portal.

HIGH · CVSS 7.5 EPSS 0.00322
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-331Insufficient Entropy
CWE-338Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
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Affected Products & Versions

1
openvpn access server< 2.11.0
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security@openvpn.net
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Jul 2022 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://openvpn.net/vpn-server-resources/release-notes/#openvpn-access-server-2-11-0Release NotesVendor Advisory
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