Vulnerability in Mikrotik Routeros

CVE-2018-10066

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).

Vulnerability class: Improper Certificate Validation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-10066: held from 0.011 to 0.010.

EPSS over last 30 days · oldest: 0.011 · newest: 0.010 · change: -0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-10066?
CVE-2018-10066 is a high-severity vulnerability in Mikrotik Routeros, classified under Improper Certificate Validation. CVSS score: 8.1/10. Published 2018-04-13.
How severe is CVE-2018-10066?
High severity. CVSS v3 base score is 8.1 out of 10.