How severe is CVE-2024-34021?

CVE-2024-34021 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-34021 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-34021?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-34021 have an EU (EUVD) identifier?

Yes. CVE-2024-34021 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-35146.

When was CVE-2024-34021 published?

CVE-2024-34021 was published on 2024-08-01 and last updated on 2026-06-17.

CVE-2024-34021

CVE-2024-34021 is a medium-severity vulnerability with a CVSS 3.x base score of 6.8. 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-434.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-35146
Weakness: CWE-434
Published: 2024-08-01
Last modified: 2026-06-17

Description

Unrestricted upload of file with dangerous type vulnerability exists in ELECOM wireless LAN routers. A specially crafted file may be uploaded to the affected product by a logged-in user with an administrative privilege, resulting in an arbitrary OS command execution.

Frequently asked questions

What is CVE-2024-34021?: Unrestricted upload of file with dangerous type vulnerability exists in ELECOM wireless LAN routers. A specially crafted file may be uploaded to the affected product by a logged-in user with an administrative privilege, resulting in an arbitrary OS command execution.
How severe is CVE-2024-34021?: CVE-2024-34021 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-34021 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-34021?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-34021 have an EU (EUVD) identifier?: Yes. CVE-2024-34021 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-35146.
When was CVE-2024-34021 published?: CVE-2024-34021 was published on 2024-08-01 and last updated on 2026-06-17.

References

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

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