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High severity · published Apr 26, 2021
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…
7.5
CVSS
4.9%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.9% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
FE
Fedora · Fedoraproject
32; 33; 34 · source: NVD
OP
Openvpn · Openvpn
before 2.4.11; 2.5.0 before 2.5.2 · source: NVD
UL
Ubuntu Linux · Canonical
18.04; 20.04; 20.10; 21.04 · source: NVD
Affected product
UL
Ubuntu Linux
Canonical
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15078
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15078
Patch
https://community.openvpn.net/openvpn/wiki/CVE-2020-15078
Broken Link
https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements
Mailing List
https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GJUXEYHUPREEBPX23VPEKMFXUPVO3PMU/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JGEGLC4YGBDN5CGHTNWN2GH6DJJA36T2/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PLDB3OBQ3AODYYRN7NRCABV6I4AUFAT6/
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