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CVE-2020-20231

MEDIUMCVSS 6.5/10EPSS 2.01%

Last modified

CVE-2020-20231 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Mikrotik RouterOs through stable version 6.48.3 suffers from a memory corruption vulnerability in the /nova/bin/detnet process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).. EPSS estimates a 2.01% chance of exploitation in the next 30 days.

Description

Mikrotik RouterOs through stable version 6.48.3 suffers from a memory corruption vulnerability in the /nova/bin/detnet process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
2.01%

78.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MikrotikRouteros>= 6.44.6, <= 6.48.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-20231?
Mikrotik RouterOs through stable version 6.48.3 suffers from a memory corruption vulnerability in the /nova/bin/detnet process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
How severe is CVE-2020-20231?
CVE-2020-20231 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.01% probability of exploitation in the next 30 days.
How do I fix CVE-2020-20231?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-20231?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST