CVE-2002-0601

CVE-2002-0601 is a medium-severity vulnerability in Information Security Systems Realsecure Network Sensor with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

ISS RealSecure Network Sensor 5.x through 6.5 allows remote attackers to cause a denial of service (crash) via malformed DHCP packets that cause RealSecure to dereference a null pointer.

Frequently asked questions

What is CVE-2002-0601?
ISS RealSecure Network Sensor 5.x through 6.5 allows remote attackers to cause a denial of service (crash) via malformed DHCP packets that cause RealSecure to dereference a null pointer.
How severe is CVE-2002-0601?
CVE-2002-0601 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2002-0601 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0601?
CVE-2002-0601 primarily affects Information Security Systems Realsecure Network Sensor. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-0601?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-0601 published?
CVE-2002-0601 was published on 2002-06-18 and last updated on 2026-06-16.

References

Affected products (6)