How severe is CVE-2024-21525?

CVE-2024-21525 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2024-21525 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-21525?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-21525 have an EU (EUVD) identifier?

Yes. CVE-2024-21525 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2443.

When was CVE-2024-21525 published?

CVE-2024-21525 was published on 2024-07-10 and last updated on 2026-06-17.

CVE-2024-21525

CVE-2024-21525 is a high-severity vulnerability with a CVSS 3.x base score of 8.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-703.

Key facts

Severity: High (CVSS 3.x base score 8.3)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2443
Weakness: CWE-703
Published: 2024-07-10
Last modified: 2026-06-17

Description

All versions of the package node-twain are vulnerable to Improper Check or Handling of Exceptional Conditions due to the length of the source data not being checked. Creating a new twain.TwainSDK with a productName or productFamily, manufacturer, version.info property of length >= 34 chars leads to a buffer overflow vulnerability.

Frequently asked questions

What is CVE-2024-21525?: All versions of the package node-twain are vulnerable to Improper Check or Handling of Exceptional Conditions due to the length of the source data not being checked. Creating a new twain.TwainSDK with a productName or productFamily, manufacturer, version.info property of length >= 34 chars leads to a buffer overflow vulnerability.
How severe is CVE-2024-21525?: CVE-2024-21525 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2024-21525 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-21525?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-21525 have an EU (EUVD) identifier?: Yes. CVE-2024-21525 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2443.
When was CVE-2024-21525 published?: CVE-2024-21525 was published on 2024-07-10 and last updated on 2026-06-17.

References

Other CWE-703 vulnerabilities

CVE-2025-13026 — Critical (CVSS 9.8): Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in…
CVE-2025-13023 — Critical (CVSS 9.8): Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in…
CVE-2025-13022 — Critical (CVSS 9.8): Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and…
CVE-2025-13021 — Critical (CVSS 9.8): Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and…
CVE-2024-39815 — Critical (CVSS 9.1): Improper check or handling of exceptional conditions vulnerability affecting Vonets industrial wifi bridge relays…
CVE-2023-45927 — Critical (CVSS 9.1): S-Lang 2.3.2 was discovered to contain an arithmetic exception via the function tt_sprintf().

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