Is CVE-2020-20220 in the CISA KEV catalog?

No. CVE-2020-20220 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-20220?

CVE-2020-20220 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2020-20220?

CVE-2020-20220 has an EPSS score of 2.74% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-20220?

Upgrade routeros to 6.47 or later.

CVE & CISA-KEV Catalog

CVE-2020-20220

MEDIUMEPSS 84th pctl

6.5

CVSS v3

NVD

Description

Mikrotik RouterOs prior to stable 6.47 suffers from a memory corruption vulnerability in the /nova/bin/bfd process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).

CWE-119Buffer Overflow

How to fix

Remediation Available

routerosNVD

Affected:< 6.47Fixed in:6.47CVE-2020-20220derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

2.74%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Exploit2

Product1

mikrotik.com

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.