CVE-2020-20221

Public Exploit

Description

Mikrotik RouterOs before 6.44.6 (long-term tree) suffers from an uncontrolled resource consumption vulnerability in the /nova/bin/cerm process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.05% Top 25%
Third-Party Advisory mitre.org Third-Party Advisory seclists.org Third-Party Advisory seclists.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://cwe.mitre.org/data/definitions/400.html third party advisory
https://seclists.org/fulldisclosure/2020/May/30 third party advisory mailing list
https://seclists.org/fulldisclosure/2021/May/1 third party advisory mailing list exploit

Frequently Asked Questions

What is the severity of CVE-2020-20221?
CVE-2020-20221 has been scored as a medium severity vulnerability.
How to fix CVE-2020-20221?
To fix CVE-2020-20221, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-20221 being actively exploited in the wild?
It is possible that CVE-2020-20221 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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