Is CVE-2024-43027 in the CISA KEV catalog?

No. CVE-2024-43027 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-43027?

CVE-2024-43027 has a CVSS v3 base score of 8.0 (HIGH).

What is the EPSS score for CVE-2024-43027?

CVE-2024-43027 has an EPSS score of 1.30% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-43027?

Upgrade vigor2960 firmware to 1.5.1.5 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2024-43027

HIGH

8.0

CVSS v3

NVD

Description

DrayTek Vigor 3900 before v1.5.1.5_Beta, DrayTek Vigor 2960 before v1.5.1.5_Beta and DrayTek Vigor 300B before v1.5.1.5_Beta were discovered to contain a command injection vulnerability via the action parameter at cgi-bin/mainfunction.cgi.

CWE-77Command Injection

How to fix

Remediation Available

vigor2960 firmwareNVD

Affected:< 1.5.1.5Fixed in:1.5.1.5CVE-2024-43027derived from NVD

vigor300b firmwareNVD

Affected:< 1.5.1.5Fixed in:1.5.1.5CVE-2024-43027derived from NVD

vigor3900 firmwareNVD

Affected:< 1.5.1.5Fixed in:1.5.1.5CVE-2024-43027derived 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 VectorAdjacent

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.30%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Exploit1

github.com

Related Vulnerabilities

Other CWE-77 (Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2024-21887	Critical	9.1	100%	KEV + Ransom	-
CVE-2023-1671	Critical	9.8	100%	KEV	Fix
CVE-2023-1389	High	8.8	100%	KEV	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2012-1823	Critical	9.8	100%	KEV	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 2025-06-03.