Buffer overflow in Mikrotik Routeros

CVE-2020-20215

Mikrotik RouterOs 6.44.6 (long-term tree) suffers from a memory corruption vulnerability in the /nova/bin/diskd process. An authenticated remote attacker can cause a Denial of Service due to invalid memory access.

Vulnerability class: Buffer Overflow

EPSS: 0.015 (72.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-20215?
CVE-2020-20215 is a medium-severity vulnerability in Mikrotik Routeros, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-07-07.
How severe is CVE-2020-20215?
Medium severity. CVSS v3 base score is 6.5 out of 10.