CVE-2017-6297

5.9 MEDIUM
Published: February 27, 2017 Modified: May 13, 2026
View on NVD

Description

The L2TP Client in MikroTik RouterOS versions 6.83.3 and 6.37.4 does not enable IPsec encryption after a reboot, which allows man-in-the-middle attackers to view transmitted data unencrypted and gain access to networks on the L2TP server by monitoring the packets for the transmitted data and obtaining the L2TP secret.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/96447
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://blog.milne.it/2017/02/24/mikrotik-routeros-security-vulnerability-l2tp-tunnel-unencrypted-cve-2017-6297/
Source: cve@mitre.org
Exploit Third Party Advisory
http://www.securityfocus.com/bid/96447
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://blog.milne.it/2017/02/24/mikrotik-routeros-security-vulnerability-l2tp-tunnel-unencrypted-cve-2017-6297/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.9 / 10.0
EPSS (Exploit Probability)
0.7%
50th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-311

Affected Vendors

mikrotik

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