What is CVE-2020-20267?

CVE-2020-20267 is a medium-severity vulnerability in Mikrotik Routeros, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-05-11.

How severe is CVE-2020-20267?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Mikrotik Routeros

CVE-2020-20267

Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/resolver process. An authenticated remote attacker can cause a Denial of Service due to invalid memory access.

Vulnerability class: Buffer Overflow

EPSS: 0.017 (75.0th 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

Mikrotik Routeros
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-20267?: CVE-2020-20267 is a medium-severity vulnerability in Mikrotik Routeros, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-05-11.
How severe is CVE-2020-20267?: Medium severity. CVSS v3 base score is 6.5 out of 10.