CVE-2020-20236

Mikrotik RouterOs 6.46.3 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/sniffer process. An authenticated remote attacker can cause a Denial of Service due to improper memory access.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.0 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

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

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
http://packetstormsecurity.com/files/162513/Mikrotik-RouterOS-6.46.5-Memory-Corruption-Assertion-Failure.html	Exploit Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2021/May/15	Exploit Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/May/15	Exploit Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/May/15	Exploit Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/May/15	Exploit Mailing List Third Party Advisory
https://mikrotik.com/	Product
http://packetstormsecurity.com/files/162513/Mikrotik-RouterOS-6.46.5-Memory-Corruption-Assertion-Failure.html	Exploit Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2021/May/15	Exploit Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/May/15	Exploit Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/May/15	Exploit Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/May/15	Exploit Mailing List Third Party Advisory
https://mikrotik.com/	Product

Configurations

Configuration 1 (hide)

cpe:2.3:o:mikrotik:routeros:6.46.3:*:*:*:-:*:*:*

History

No history.

Information

Published : 2021-05-18 19:15

Updated : 2026-06-17 03:02

NVD link : CVE-2020-20236

Mitre link : CVE-2020-20236

CVE.ORG link : CVE-2020-20236

JSON object : View

Products Affected

mikrotik

routeros

CWE

CWE-787

Out-of-bounds Write

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