CVE-2021-35523

Name: CVE-2021-35523
Creator: NVD / NIST
Published: 2021-06-28T17:15:08.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.71%

Last modified Jun 17, 2026

CVE-2021-35523 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Securepoint SSL VPN Client v2 before 2.0.32 on Windows has unsafe configuration handling that enables local privilege escalation to NT AUTHORITY\SYSTEM. A non-privileged local user can modify the OpenVPN configuration stored under "%APPDATA%\Securepoint SSL VPN" and add a external script file that is executed as privileged user.. EPSS estimates a 0.71% chance of exploitation in the next 30 days.

Description

Securepoint SSL VPN Client v2 before 2.0.32 on Windows has unsafe configuration handling that enables local privilege escalation to NT AUTHORITY\SYSTEM. A non-privileged local user can modify the OpenVPN configuration stored under "%APPDATA%\Securepoint SSL VPN" and add a external script file that is executed as privileged user.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.71%

48.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Securepoint	Openvpn-Client	>= 2.0.15, < 2.0.32

References

http://packetstormsecurity.com/files/163320/Securepoint-SSL-VPN-Client-2.0.30-Local-Privilege-Escalation.htmlExploit, Third Party Advisory
http://seclists.org/fulldisclosure/2021/Jun/59Mailing List, Third Party Advisory
https://bogner.sh/2021/04/local-privilege-escalation-in-securepoint-ssl-vpn-client-2-0-30/Exploit, Third Party Advisory
https://github.com/Securepoint/openvpn-client/security/advisories/GHSA-v8p8-4w8f-qh34Third Party Advisory
http://packetstormsecurity.com/files/163320/Securepoint-SSL-VPN-Client-2.0.30-Local-Privilege-Escalation.htmlExploit, Third Party Advisory
http://seclists.org/fulldisclosure/2021/Jun/59Mailing List, Third Party Advisory
https://bogner.sh/2021/04/local-privilege-escalation-in-securepoint-ssl-vpn-client-2-0-30/Exploit, Third Party Advisory
https://github.com/Securepoint/openvpn-client/security/advisories/GHSA-v8p8-4w8f-qh34Third Party Advisory

Timeline

Published: Jun 28, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-35523?

How severe is CVE-2021-35523?

CVE-2021-35523 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2021-35523?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-35523?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST