CVE-2021-41583
6.5 · MEDIUMOverview
CVE-2021-41583 is a medium-severity vulnerability affecting eduvpn vpn-user-portal. It was published on September 24, 2021 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
vpn-user-portal (aka eduVPN or Let's Connect!) before 2.3.14, as packaged for Debian 10, Debian 11, and Fedora, allows remote authenticated users to obtain OS filesystem access, because of the interaction of QR codes with an exec that uses the -r option. This can be leveraged to obtain additional VPN access.
Remediation
Check the references section for vendor advisories and patches from eduvpn. Update vpn-user-portal to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| eduvpn | vpn-user-portal | >= 2.3.2, < 2.3.14 | Affected |
Frequently Asked Questions
What is CVE-2021-41583?
CVE-2021-41583 is a medium-severity vulnerability affecting eduvpn vpn-user-portal. It was published on September 24, 2021 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2021-41583?
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-41583?
Check the references section for vendor advisories and patches from eduvpn. Update vpn-user-portal to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-41583?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-41583 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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