ISS RealSecure Network Sensor 5.x through 6.5 allows remote attackers to cause a denial…
Priority LOW 28Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.02468 84th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:information_security_systems:realsecure_network_sensor:5.0_xpu_3.4:*:*:*:*:*:*:* | 5.0_xpu_3.4 | Vulnerable | Information Security Systems |
| cpe:2.3:a:information_security_systems:realsecure_network_sensor:5.5.1_xpu_3.4:*:*:*:*:*:*:* | 5.5.1_xpu_3.4 | Vulnerable | Information Security Systems |
| cpe:2.3:a:information_security_systems:realsecure_network_sensor:5.5.2_xpu_3.4:*:*:*:*:*:*:* | 5.5.2_xpu_3.4 | Vulnerable | Information Security Systems |
| cpe:2.3:a:information_security_systems:realsecure_network_sensor:5.5_xpu_3.4:*:*:*:*:*:*:* | 5.5_xpu_3.4 | Vulnerable | Information Security Systems |
| cpe:2.3:a:information_security_systems:realsecure_network_sensor:6.0_xpu_3.4:*:*:*:*:*:*:* | 6.0_xpu_3.4 | Vulnerable | Information Security Systems |
| cpe:2.3:a:information_security_systems:realsecure_network_sensor:6.5:*:*:*:*:*:*:* | 6.5 | Vulnerable | Information Security Systems |
- cpe:2.3:a:information_security_systems:realsecure_network_sensor:5.0_xpu_3.4:*:*:*:*:*:*:* Versions 5.0_xpu_3.4 Vulnerable ·Information Security Systems
- cpe:2.3:a:information_security_systems:realsecure_network_sensor:5.5.1_xpu_3.4:*:*:*:*:*:*:* Versions 5.5.1_xpu_3.4 Vulnerable ·Information Security Systems
- cpe:2.3:a:information_security_systems:realsecure_network_sensor:5.5.2_xpu_3.4:*:*:*:*:*:*:* Versions 5.5.2_xpu_3.4 Vulnerable ·Information Security Systems
- cpe:2.3:a:information_security_systems:realsecure_network_sensor:5.5_xpu_3.4:*:*:*:*:*:*:* Versions 5.5_xpu_3.4 Vulnerable ·Information Security Systems
- cpe:2.3:a:information_security_systems:realsecure_network_sensor:6.0_xpu_3.4:*:*:*:*:*:*:* Versions 6.0_xpu_3.4 Vulnerable ·Information Security Systems
- cpe:2.3:a:information_security_systems:realsecure_network_sensor:6.5:*:*:*:*:*:*:* Versions 6.5 Vulnerable ·Information Security Systems
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2002-0601
- 2026-10-03 Alias added: GHSA-x3fp-m9g3-q55q
References
Sources
- CVE-2002-0601 · CVE Program
- CVE-2002-0601 · NVD
- FIRST EPSS
- GHSA-x3fp-m9g3-q55q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences