CVE-2021-41383
CVE-2021-41383 is a high-severity vulnerability in Netgear R6020 Firmware with a CVSS 3.x base score of 7.2. 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-77.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- CVSS v2: 9.0
- EPSS exploit prediction: 2% (72nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-77
- Affected product: Netgear R6020 Firmware
- Published:
- Last modified:
Description
setup.cgi on NETGEAR R6020 1.0.0.48 devices allows an admin to execute arbitrary shell commands via shell metacharacters in the ntp_server field.
Frequently asked questions
- What is CVE-2021-41383?
- setup.cgi on NETGEAR R6020 1.0.0.48 devices allows an admin to execute arbitrary shell commands via shell metacharacters in the ntp_server field.
- How severe is CVE-2021-41383?
- CVE-2021-41383 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-41383 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-41383?
- CVE-2021-41383 affects Netgear R6020 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-41383?
- 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-2021-41383 published?
- CVE-2021-41383 was published on 2021-09-17 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:netgear:r6020_firmware:1.0.0.48:*:*:*:*:*:*:*
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- CVE-2020-26927 — Critical (CVSS 9.4): Certain NETGEAR devices are affected by authentication bypass. This affects D6200 before 1.1.00.40, D7000 before…
- CVE-2020-26908 — Critical (CVSS 9.4): Certain NETGEAR devices are affected by authentication bypass. This affects D6200 before 1.1.00.36, D7000 before…
- CVE-2020-27866 — High (CVSS 8.8): This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR…
- CVE-2020-27872 — High (CVSS 8.8): This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR…
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