CVE Vulnerability

CVE-2020-20217

Mikrotik RouterOs before 6.47 (stable tree) suffers from an uncontrolled resource consumption vulnerability in the /nova/bin/route process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20217/README.md Third Party Advisory
https://mikrotik.com/ Vendor Advisory
https://cwe.mitre.org/data/definitions/400.html Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:*
Information

Published : 2021-07-08 12:15

Updated : 2022-11-07 02:10

NVD link : CVE-2020-20217

Mitre link : CVE-2020-20217

Products Affected

Mikrotik

Routeros

CWE
CWE-400