{"cve":{"cve_id":"CVE-2017-6297","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00743,"epss_percentile":0.52797,"epss_as_of":"2026-09-15","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.","published_at":"2017-02-27T07:25:00Z","last_modified_at":"2026-09-16T21:17:05.393000Z","cvss_v3_score":5.9,"cvss_v3_vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-311"],"nvd_references":["https://blog.milne.it/2017/02/24/mikrotik-routeros-security-vulnerability-l2tp-tunnel-unencrypted-cve-2017-6297/","http://www.securityfocus.com/bid/96447"],"vuln_status":"Modified","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-09-17T01:05:12.220005Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"H","value_label":"High"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"mikrotik","vendor_name":"MikroTik","product_slug":"routeros","product_name":"RouterOS","version_start":"6.37.4","version_start_inclusive":true,"version_end":"6.37.4","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:mikrotik:routeros:6.37.4:*:*:*:*:*:*:*"},{"vendor_slug":"mikrotik","vendor_name":"MikroTik","product_slug":"routeros","product_name":"RouterOS","version_start":"6.83.3","version_start_inclusive":true,"version_end":"6.83.3","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:mikrotik:routeros:6.83.3:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"https://blog.milne.it/2017/02/24/mikrotik-routeros-security-vulnerability-l2tp-tunnel-unencrypted-cve-2017-6297/","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/bid/96447","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2017-02-27T07:25:00Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-09-17T01:03:12.307245Z","label":"CVSS score revised","source":"nvd"},{"type":"cvss_changed","at":"2026-09-17T01:03:12.307245Z","label":"CVSS score revised","source":"nvd"},{"type":"cvss_changed","at":"2026-09-17T01:03:12.307245Z","label":"CVSS score revised","source":"nvd"}]}