CVE-2021-39280
CVE-2021-39280 is a high-severity vulnerability in Korenix Jetwave 2212s Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.0
- EPSS exploit prediction: 2% (81st percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Korenix Jetwave 2212s Firmware
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2021-39280?
- 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.
- How severe is CVE-2021-39280?
- CVE-2021-39280 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-39280 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-39280?
- CVE-2021-39280 primarily affects Korenix Jetwave 2212s Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-39280?
- 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-2021-39280 published?
- CVE-2021-39280 was published on 2022-02-06 and last updated on 2026-06-17.
References
- http://packetstormsecurity.com/files/165875/Korenix-Technology-JetWave-CSRF-Command-Injection-Missing-Authentication.html
- https://www.korenix.com/en/product/search.aspx?kw=JetWave
Affected products (6)
- cpe:2.3:o:korenix:jetwave_2212s_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:korenix:jetwave_2212g_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:korenix:jetwave_2311_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:korenix:jetwave_3220_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:korenix:jetwave_3420_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:korenix:jetwave_2212x_firmware:*:*:*:*:*:*:*:*
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