CVE-2018-10066 — HIGH (8.1)

Vulnerability Description

An issue was discovered in MikroTik RouterOS 6.41.4. Missing OpenVPN server certificate verification allows a remote unauthenticated attacker capable of intercepting client traffic to act as a malicious OpenVPN server. This may allow the attacker to gain access to the client's internal network (for example, at site-to-site tunnels).

CVSS Score

8.1

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Mikrotik	Routeros	6.41.4

Related Weaknesses (CWE)

CWE-295

References

https://janis-streib.de/2018/04/11/mikrotik-openvpn-securityExploitThird Party Advisory
https://janis-streib.de/2018/04/11/mikrotik-openvpn-securityExploitThird Party Advisory

FAQ

What is CVE-2018-10066?

CVE-2018-10066 is a vulnerability with a CVSS score of 8.1 (HIGH). An issue was discovered in MikroTik RouterOS 6.41.4. Missing OpenVPN server certificate verification allows a remote unauthenticated attacker capable of intercepting client traffic to act as a malicio...

How severe is CVE-2018-10066?

CVE-2018-10066 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-10066?

Check the references section above for vendor advisories and patch information. Affected products include: Mikrotik Routeros.