Auth bypass in Openvpn Access Server
CVE-2020-15077
OpenVPN Access Server 2.8.7 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.012 (67.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Openvpn Access Server
- Openvpn Access Server — versions 2.8.7 and earlier versions
Weakness classification (CWE)
Public proof-of-concept exploits
References
- openvpn.net/vpn-server-resources/release-notes/ (Release Notes, Vendor Advisory)
- openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-15077?
- CVE-2020-15077 is a medium-severity vulnerability in Openvpn Access Server, classified under Authentication Bypass by Primary Weakness. CVSS score: 5.3/10. Published 2021-06-04.
- How severe is CVE-2020-15077?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2020-15077 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.