Is CVE-2023-22279 in the CISA KEV catalog?

No. CVE-2023-22279 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-22279?

CVE-2023-22279 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2023-22279?

CVE-2023-22279 has an EPSS score of 1.13% (62th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-22279?

Upgrade maho-pbx netdevancer firmware to 1.11.00 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2023-22279

CRITICAL

9.8

CVSS v3

NVD

Description

MAHO-PBX NetDevancer Lite/Uni/Pro/Cloud prior to Ver.1.11.00, MAHO-PBX NetDevancer VSG Lite/Uni prior to Ver.1.11.00, and MAHO-PBX NetDevancer MobileGate Home/Office prior to Ver.1.11.00 allow a remote unauthenticated attacker to execute an arbitrary OS command.

CWE-78OS Command Injection

How to fix

Remediation Available

maho-pbx netdevancer firmwareNVD

Affected:< 1.11.00Fixed in:1.11.00CVE-2023-22279derived from NVD

maho-pbx netdevancer mobilegate firmwareNVD

Affected:< 1.11.00Fixed in:1.11.00CVE-2023-22279derived from NVD

maho-pbx netdevancer vsg firmwareNVD

Affected:< 1.11.00Fixed in:1.11.00CVE-2023-22279derived 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

1.13%probability of exploitation in 30 days

62ndpercentile

Moderate risk: more likely to be exploited than 62% of all known CVEs.

References

Vendor Advisory1

ate-mahoroba.jp

Third-Party Advisory1

jvn.jp

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 2025-04-04.