Vulnerability Report

CVE-2020-12828

RCE

Title: AnchorFree VPN SDK Privilege Escalation

RCE

Proof Of Concept

PoC Available for CVE-2020-12828

CWE Category CWE-434

Published Date May 21, 2020

Modified Date Jun 17, 2026

Exploit Status Available

Score 9.8 CVSS v3.1

Exploit Probability (EPSS)

3.28%

Vulnerability Summary

CVE-2020-12828: An issue was discovered in AnchorFree VPN SDK before 1.3.3.218. The VPN SDK service takes certain executable locations over a socket bound to localhost. Binding to the socket and providing a path where a malicious executable file resides leads to executing the malicious executable file with SYSTEM privileges.

Impacted Vendors

pango 1

Reference Links

https://www.pango.co/sec31944/ https://www.pango.co/sec31944/

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity HIGH

10.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-12828 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/0xsha/ZombieVPN

View Code

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

May 21, 2020 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.