CVE-2021-41383 json
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…
published 2021-09-17 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-28411
- cvss
- 7.2
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
1.60% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- j-o-e-l-s.github.io https://j-o-e-l-s.github.io/2021/09/15/Hacking-The-Netgear-R6020.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-77 Improper Neutralization of Special Elements used in a Command
References
-
j-o-e-l-s.github.io
/2021/09/15/Hacking-The-Netgear-R6020.html
exploit, third-party-advisory
Sources
- CVE List CVE-2021-41383
- NVD CVE-2021-41383
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