CVEvulnerability
CVE-2017-6297
5.9 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2017-02-27
- Last modified
- 2026-09-16
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.9 MEDIUM — CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-311
Description
The L2TP Client in MikroTik RouterOS versions 6.38.3 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.
Affected configurations
• mikrotik routeros 6.37.4
• mikrotik routeros 6.83.3
Related
Weakness · CWE (1)
- CWE-311 Missing Encryption of Sensitive Data weakness
References
- http://www.securityfocus.com/bid/96447 Third Party Advisory, VDB Entry
- https://blog.milne.it/2017/02/24/mikrotik-routeros-security-vulnerability-l2tp-tunnel-unencrypted-cve-2017-6297/ Exploit, Third Party Advisory
- http://www.securityfocus.com/bid/96447 Third Party Advisory, VDB Entry
- https://blog.milne.it/2017/02/24/mikrotik-routeros-security-vulnerability-l2tp-tunnel-unencrypted-cve-2017-6297/ Exploit, Third Party Advisory