What is CVE-2020-22845?

CVE-2020-22845 is a high-severity vulnerability in Mikrotik Routeros, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-02-28.

How severe is CVE-2020-22845?

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

Buffer overflow in Mikrotik Routeros

CVE-2020-22845

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

Vulnerability class: Buffer Overflow

EPSS: 0.013 (66.1th 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-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

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

Frequently asked questions

What is CVE-2020-22845?: CVE-2020-22845 is a high-severity vulnerability in Mikrotik Routeros, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-02-28.
How severe is CVE-2020-22845?: High severity. CVSS v3 base score is 7.5 out of 10.