Is CVE-2007-3533 being actively exploited?

CVE-2007-3533 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2007-3533?

CVE-2007-3533 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2007-3533

MEDIUM · CVSS 5.0EPSS 1.7%EU EUVD

The 3Com IntelliJack Switch NJ220 before 2.0.23 allows remote attackers to cause a denial of service (reboot and reporting outage) via a loopback packet with zero in the length field.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS score: 1.7% (77th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2007-3517)
Published: July 3, 2007
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-3517 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

3com / 3cnj220

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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