CVE-2020-20264

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-20264
Mikrotik RouterOs before 6.47 (stable tree) in the /ram/pckg/advanced-tools/nova/bin/netwatch process. An authenticated remote attacker can cause a Denial of Service due to a divide by zero error.

6.5 /10

CVSS v3 : 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

4.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_netwatch/README.md Broken Link Third Party Advisory
https://seclists.org/fulldisclosure/2021/May/11 Exploit Mailing List Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:*
History

01 Jun 2021, 12:22

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 4.0
v3 : 6.5
CWE CWE-369
CPE cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:*
References (MISC) https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_netwatch/README.md - (MISC) https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_netwatch/README.md - Broken Link, Third Party Advisory
References (MISC) https://seclists.org/fulldisclosure/2021/May/11 - (MISC) https://seclists.org/fulldisclosure/2021/May/11 - Exploit, Mailing List, Third Party Advisory

19 May 2021, 12:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-05-19 12:15

Updated : 2023-12-10 13:55

NVD link : CVE-2020-20264

Mitre link : CVE-2020-20264

CVE.ORG link : CVE-2020-20264

JSON object : View

Products Affected

mikrotik

  • routeros
CWE
CWE-369

Divide By Zero