Vulnerability Details : CVE-2020-15078

OpenVPN 2.5.1 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 2021-04-26 14:15:09
Updated 2022-08-05 17:13:02
Source OpenVPN Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-15078

Probability of exploitation activity in the next 30 days: 1.88%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 87 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2020-15078

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
5.0
 MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
 nvd@nist.gov
7.5
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
 nvd@nist.gov

CWE ids for CVE-2020-15078

  • The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.
    Assigned by: security@openvpn.net (Secondary)
  • The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-15078

Products affected by CVE-2020-15078

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