Is CVE-2021-20674 in the CISA KEV catalog?

No. CVE-2021-20674 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-20674?

CVE-2021-20674 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-20674?

CVE-2021-20674 has an EPSS score of 0.92% (56th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-20674?

Upgrade magicconnect to 2021-03-01 or later.

CVE & CISA-KEV Catalog

CVE-2021-20674

HIGH

7.8

CVSS v3

NVD

Description

Untrusted search path vulnerability in Installer of MagicConnect Client program distributed before 2021 March 1 allows an attacker to gain privileges and via a Trojan horse DLL in an unspecified directory and to execute arbitrary code with the privilege of the user invoking the installer when a terminal is connected remotely using Remote desktop.

CWE-427

How to fix

Remediation Available

magicconnectNVD

Affected:< 2021-03-01Fixed in:2021-03-01CVE-2021-20674derived 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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.92%probability of exploitation in 30 days

56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Vendor Advisory1

magicconnect.net

Third-Party Advisory1

jvn.jp

Related Vulnerabilities

Other CWE-427 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-27955	Critical	9.8	83%	-	-
CVE-2017-6517	Critical	9.8	46%	-	-
CVE-2020-3153	Medium	6.5	28%	KEV + Ransom	Fix
CVE-2024-48990	High	7.8	20%	-	Fix
CVE-2019-9491	High	7.8	13%	-	-
CVE-2020-3433	High	7.8	10%	KEV + Ransom	Fix

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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.