Medium severity · published Jun 4, 2021
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…
5.3
CVSS
1.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OA
Openvpn Access Server · Openvpn
through 2.8.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15077
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15077
Vendor Advisory
https://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/
Release Notes
https://openvpn.net/vpn-server-resources/release-notes/
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