CVE-2021-35523
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.7% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.7% · EPSS, next 30 days
- Weakness
- CWE-269 · Improper privilege management
- Record status
- Modified
Affected
- Securepoint openvpn-client < 2.0.32
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-35523.md and follow it. Check whether this project is affected by CVE-2021-35523. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/Securepoint/openvpn-client/security/advisories/GHSA-v8p8-4w8f-qh34
- https://github.com/Securepoint/openvpn-client/security/advisories/GHSA-v8p8-4w8f-qh34
References
- http://packetstormsecurity.com/files/163320/Securepoint-SSL-VPN-Client-2.0.30-Local-Privilege-Escalation.html
- http://seclists.org/fulldisclosure/2021/Jun/59
- https://bogner.sh/2021/04/local-privilege-escalation-in-securepoint-ssl-vpn-client-2-0-30/
- https://github.com/Securepoint/openvpn-client/security/advisories/GHSA-v8p8-4w8f-qh34
- http://packetstormsecurity.com/files/163320/Securepoint-SSL-VPN-Client-2.0.30-Local-Privilege-Escalation.html
- http://seclists.org/fulldisclosure/2021/Jun/59
- https://bogner.sh/2021/04/local-privilege-escalation-in-securepoint-ssl-vpn-client-2-0-30/
- https://github.com/Securepoint/openvpn-client/security/advisories/GHSA-v8p8-4w8f-qh34