CVEvulnerability

CVE-2020-11462

7.5 HIGH Published 2020-05-04 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-05-04
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
Weaknesses
CWE-776

Description

An issue was discovered in OpenVPN Access Server before 2.7.0 and 2.8.x before 2.8.3. With the full featured RPC2 interface enabled, it is possible to achieve a temporary DoS state of the management interface when sending an XML Entity Expansion (XEE) payload to the XMLRPC based RPC2 interface. The duration of the DoS state depends on available memory and CPU speed. The default restricted mode of the RPC2 interface is NOT vulnerable.

Affected configurations

• openvpn openvpn access server (< 2.7.0) • openvpn openvpn access server (>= 2.8.0 <= 2.8.3)

Related

Weakness · CWE (1)

  • CWE-776 Improper Restriction of Recursive Entity References in DTDs weakness

References