Improper input validation in Eduvpn Vpn-User-Portal
CVE-2021-41583
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.019 (78.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Eduvpn Vpn-User-Portal
- Debian Linux — versions 10.0, 11.0
- Fedoraproject Fedora
Weakness classification (CWE)
Public proof-of-concept exploits
References
- list.surfnet.nl/pipermail/eduvpn-deploy/2021-September/000352.html (Mailing List, Third Party Advisory)
- github.com/eduvpn/vpn-user-portal/releases (Release Notes, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-41583?
- CVE-2021-41583 is a medium-severity vulnerability in Eduvpn Vpn-User-Portal, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2021-09-24.
- How severe is CVE-2021-41583?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-41583 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.