Cyber Resilience

CVE-2020-20264

MediumPublic PoC

Published: 19 May 2021

Published
19 May 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0111 78.5th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-20264 is a medium-severity Divide By Zero (CWE-369) vulnerability in Mikrotik Routeros. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 21.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Mikrotik RouterOs before 6.47 (stable tree) in the /ram/pckg/advanced-tools/nova/bin/netwatch process. An authenticated remote attacker can cause a Denial of Service due to a divide by zero error.

CWE(s)
CWE-369

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

mikrotik
routeros
≤ 6.47

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References