CVE-2021-39280

Name: CVE-2021-39280
Creator: NVD / NIST
Published: 2022-02-06T21:15:07.837+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.17%

Last modified Jun 17, 2026

CVE-2021-39280 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Certain Korenix JetWave devices allow authenticated users to execute arbitrary code as root via /syscmd.asp. This affects 2212X before 1.9.1, 2212S before 1.9.1, 2212G before 1.8, 3220 V3 before 1.5.1, 3420 V3 before 1.5.1, and 2311 through 2022-01-31.. EPSS estimates a 2.17% chance of exploitation in the next 30 days.

Description

Certain Korenix JetWave devices allow authenticated users to execute arbitrary code as root via /syscmd.asp. This affects 2212X before 1.9.1, 2212S before 1.9.1, 2212G before 1.8, 3220 V3 before 1.5.1, 3420 V3 before 1.5.1, and 2311 through 2022-01-31.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.17%

79.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Korenix	Jetwave 2212s Firmware	< 1.9.1
Korenix	Jetwave 2212g Firmware	< 1.8
Korenix	Jetwave 2311 Firmware	<= 1.2
Korenix	Jetwave 3220 Firmware	< 1.5.1
Korenix	Jetwave 3420 Firmware	< 1.5.1
Korenix	Jetwave 2212x Firmware	< 1.9.1

References

http://packetstormsecurity.com/files/165875/Korenix-Technology-JetWave-CSRF-Command-Injection-Missing-Authentication.htmlThird Party Advisory, VDB Entry
https://www.korenix.com/en/product/search.aspx?kw=JetWaveProduct, Vendor Advisory
http://packetstormsecurity.com/files/165875/Korenix-Technology-JetWave-CSRF-Command-Injection-Missing-Authentication.htmlThird Party Advisory, VDB Entry
https://www.korenix.com/en/product/search.aspx?kw=JetWaveProduct, Vendor Advisory

Timeline

Published: Feb 6, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39280?

How severe is CVE-2021-39280?

CVE-2021-39280 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.17% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39280?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-39280?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST