Is CVE-2022-4634 in the CISA KEV catalog?

No. CVE-2022-4634 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-4634?

CVE-2022-4634 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2022-4634?

CVE-2022-4634 has an EPSS score of 5.32% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-4634?

Upgrade cncsoft to 1.01.34 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2022-4634

HIGHEPSS 92th pctl

7.8

CVSS v3

NVD

Description

All versions prior to Delta Electronic’s CNCSoft version 1.01.34 (running ScreenEditor versions 1.01.5 and prior) are vulnerable to a stack-based buffer overflow, which could allow an attacker to remotely execute arbitrary code.

CWE-121Stack-based Buffer Overflow CWE-787Out-of-bounds Write

How to fix

Remediation Available

cncsoftNVD

Affected:< 1.01.34Fixed in:1.01.34CVE-2022-4634derived from NVD

screeneditorNVD

Affected:< 1.01.5Fixed in:1.01.5CVE-2022-4634derived 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

5.32%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Patch1

cisa.gov

Related Vulnerabilities

Other CWE-121 (Stack-based Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2009-0927	High	8.8	97%	KEV	Fix
CVE-2020-10924	High	8.8	87%	-	-
CVE-2022-20705	Critical	10.0	80%	-	-

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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.