Is CVE-2024-40722 in the CISA KEV catalog?

No. CVE-2024-40722 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-40722?

CVE-2024-40722 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2024-40722?

CVE-2024-40722 has an EPSS score of 0.45% (36th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-40722?

Upgrade tcb servisign to 1.0.24.0318 or later.

CVE & CISA-KEV Catalog

CVE-2024-40722

MEDIUM

4.3

CVSS v3

NVD

Description

The specific API in TCBServiSign Windows Version from CHANGING Information Technology does does not properly validate the length of server-side input. When a user visits a spoofed website, unauthenticated remote attackers can cause a stack-based buffer overflow in the TCBServiSign, temporarily disrupting its service.

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

How to fix

Remediation Available

tcb servisignNVD

Affected:< 1.0.24.0318Fixed in:1.0.24.0318CVE-2024-40722derived 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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.45%probability of exploitation in 30 days

36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

Third-Party Advisory2

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 2024-08-09.