Critical severity · published Oct 4, 2017
CVE-2017-12166
OpenVPN versions before 2.3.3 and 2.4.x before 2.4.4 are vulnerable to a buffer overflow vulnerability when key-method 1 is used, possibly resulting in code execution
9.8
CVSS
3.6%
EPSS
No
On KEV
Description
OpenVPN versions before 2.3.3 and 2.4.x before 2.4.4 are vulnerable to a buffer overflow vulnerability when key-method 1 is used, possibly resulting in code execution.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 89% 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
OP
Openvpn · Openvpn
before 2.3.18; 2.4.0 before 2.4.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-12166
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-12166
Third Party Advisory
http://www.securityfocus.com/bid/101153
Third Party Advisory
http://www.securitytracker.com/id/1039470
Patch
https://community.openvpn.net/openvpn/wiki/CVE-2017-12166
Mailing List
https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html
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