CVE-2017-6297 — MEDIUM (5.9)

Vulnerability 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.

CVSS Score

5.9

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Mikrotik	Routeros	6.37.4

Related Weaknesses (CWE)

CWE-311

References

http://www.securityfocus.com/bid/96447Third Party AdvisoryVDB Entry
https://blog.milne.it/2017/02/24/mikrotik-routeros-security-vulnerability-l2tp-tExploitThird Party Advisory
http://www.securityfocus.com/bid/96447Third Party AdvisoryVDB Entry
https://blog.milne.it/2017/02/24/mikrotik-routeros-security-vulnerability-l2tp-tExploitThird Party Advisory

FAQ

What is CVE-2017-6297?

CVE-2017-6297 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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 ...

How severe is CVE-2017-6297?

CVE-2017-6297 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-6297?

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