Is CVE-2024-6342 in the CISA KEV catalog?

No. CVE-2024-6342 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-6342?

CVE-2024-6342 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2024-6342?

CVE-2024-6342 has an EPSS score of 2.06% (79th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-6342?

Upgrade nas326 firmware to 5.21(aazf.18)c0 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2024-6342

CRITICALEPSS 79th pctl

9.8

CVSS v3

NVD

Description

**UNSUPPORTED WHEN ASSIGNED** A command injection vulnerability in the export-cgi program of Zyxel NAS326 firmware versions through V5.21(AAZF.18)C0 and NAS542 firmware versions through V5.21(ABAG.15)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.

CWE-78OS Command Injection

How to fix

Remediation Available

nas326 firmwareNVD

Affected:< 5.21(aazf.18)c0Fixed in:5.21(aazf.18)c0CVE-2024-6342derived from NVD

nas542 firmwareNVD

Affected:< 5.21(abag.15)c0Fixed in:5.21(abag.15)c0CVE-2024-6342derived 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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.06%probability of exploitation in 30 days

79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Vendor Advisory1

zyxel.com

Related Vulnerabilities

Other CWE-78 (OS Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2014-6271	Critical	9.8	100%	KEV	Fix
CVE-2019-16920	Critical	9.8	100%	KEV	-
CVE-2022-44877	Critical	9.8	100%	KEV	Fix
CVE-2020-8515	Critical	9.8	100%	KEV	-
CVE-2020-9054	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 2025-01-22.