What is CVE-2020-22844?

CVE-2020-22844 is a high-severity vulnerability in Mikrotik Routeros, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2022-02-28.

How severe is CVE-2020-22844?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Mikrotik Routeros

CVE-2020-22844

A buffer overflow in Mikrotik RouterOS 6.47 allows unauthenticated attackers to cause a denial of service (DOS) via crafted SMB requests.

EPSS: 0.012 (65.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mikrotik Routeros — versions 6.47
N/a — versions n/a

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-22844?: CVE-2020-22844 is a high-severity vulnerability in Mikrotik Routeros, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2022-02-28.
How severe is CVE-2020-22844?: High severity. CVSS v3 base score is 7.5 out of 10.