Is CVE-2021-39280 in the CISA KEV catalog?

No. CVE-2021-39280 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-39280?

CVE-2021-39280 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2021-39280?

CVE-2021-39280 has an EPSS score of 2.31% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-39280?

Upgrade jetwave 2212g firmware to 1.8 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2021-39280

HIGHEPSS 81th pctl

8.8

CVSS v3

NVD

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.

How to fix

Remediation Available

jetwave 2212g firmwareNVD

Affected:< 1.8Fixed in:1.8CVE-2021-39280derived from NVD

jetwave 2212s firmwareNVD

Affected:< 1.9.1Fixed in:1.9.1CVE-2021-39280derived from NVD

jetwave 2212x firmwareNVD

Affected:< 1.9.1Fixed in:1.9.1CVE-2021-39280derived from NVD

jetwave 3220 firmwareNVD

Affected:< 1.5.1Fixed in:1.5.1CVE-2021-39280derived from NVD

jetwave 3420 firmwareNVD

Affected:< 1.5.1Fixed in:1.5.1CVE-2021-39280derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.31%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Vendor Advisory1

korenix.com

Third-Party Advisory1

packetstormsecurity.com

Embed a live status badge for CVE-2021-39280

Markdown

[![CVE-2021-39280](https://tridentstack.com/cve/badge/CVE-2021-39280.svg)](https://tridentstack.com/cve/CVE-2021-39280)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-39280"><img src="https://tridentstack.com/cve/badge/CVE-2021-39280.svg" alt="CVE-2021-39280"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.