Vulnerability Details : CVE-2017-6297
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.
Exploit prediction scoring system (EPSS) score for CVE-2017-6297
Probability of exploitation activity in the next 30 days: 0.17%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 54 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-6297
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST |
|
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2017-6297
-
The product does not encrypt sensitive or critical information before storage or transmission.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-6297
-
http://www.securityfocus.com/bid/96447
MikroTik RouterOS CVE-2017-6297 Man in The Middle Security Bypass VulnerabilityThird Party Advisory;VDB Entry
-
https://blog.milne.it/2017/02/24/mikrotik-routeros-security-vulnerability-l2tp-tunnel-unencrypted-cve-2017-6297/
MikroTik RouterOS Security Vulnerability – L2TP Tunnel Unencrypted – CVE-2017-6297 – Milne.ITExploit;Third Party Advisory
Products affected by CVE-2017-6297
- cpe:2.3:o:mikrotik:routeros:6.37.4:*:*:*:*:*:*:*
- cpe:2.3:o:mikrotik:routeros:6.83.3:*:*:*:*:*:*:*