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CVE-2020-11462

HIGH
7.5
CVSS Score
Published: May 4, 2020 at 01:45 PM UTC
Updated: June 17, 2026 at 02:50 AM UTC
1 product affected across 1 vendorOpenvpn Access Server

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Openvpn Access Server· Openvpn
95%
v < 2.7.02.8.0 ≤ v ≤ 2.8.3
Affected range stops below 2.7.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://openvpn.net/vpn-server-resources/release-notes/#Release_notes_for_OpenVPN_Access_Server_283

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-776

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