CVE-2021-43483

CVE-2021-43483 is a high-severity vulnerability in Claro Kaon Cg3000 Firmware with a CVSS 3.x base score of 8.0. 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-306.

Key facts

Description

An Access Control vulnerability exists in CLARO KAON CG3000 1.00.67 in the router configuration, which could allow a malicious user to read or update the configuraiton without authentication.

Frequently asked questions

What is CVE-2021-43483?
An Access Control vulnerability exists in CLARO KAON CG3000 1.00.67 in the router configuration, which could allow a malicious user to read or update the configuraiton without authentication.
How severe is CVE-2021-43483?
CVE-2021-43483 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-43483 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.
What products are affected by CVE-2021-43483?
CVE-2021-43483 affects Claro Kaon Cg3000 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43483?
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.
When was CVE-2021-43483 published?
CVE-2021-43483 was published on 2022-04-08 and last updated on 2026-06-17.

References

Affected products (1)

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