CVE-2020-20237 — MEDIUM (6.5)

Vulnerability Description

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 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Mikrotik	Routeros	6.46.3

Related Weaknesses (CWE)

CWE-787

References

http://packetstormsecurity.com/files/162513/Mikrotik-RouterOS-6.46.5-Memory-CorrExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2021/May/15ExploitMailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2021/May/15ExploitMailing ListThird Party Advisory
https://mikrotik.com/Product
http://packetstormsecurity.com/files/162513/Mikrotik-RouterOS-6.46.5-Memory-CorrExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2021/May/15ExploitMailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2021/May/15ExploitMailing ListThird Party Advisory
https://mikrotik.com/Product

FAQ

What is CVE-2020-20237?

CVE-2020-20237 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 m...

How severe is CVE-2020-20237?

CVE-2020-20237 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-20237?

Check the references section above for vendor advisories and patch information. Affected products include: Mikrotik Routeros.