Cisco Headend System Release allows remote attackers to cause a denial of service (DHCP…
Priority LOW 27CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
Cisco Headend System Release allows remote attackers to cause a denial of service (DHCP and TFTP outage) via a flood of crafted UDP traffic, aka Bug ID CSCus04097.
Why it matters now
EPSS 0.01973 80th 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 · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:headend_digital_broadband_delivery_system:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Cisco |
| cpe:2.3:o:cisco:headend_system_release:2.5:*:*:*:*:*:*:* | 2.5 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:headend_system_release:2.7:*:*:*:*:*:*:* | 2.7 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:headend_system_release:3.2:*:*:*:*:*:*:* | 3.2 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:headend_system_release:3.5:*:*:*:*:*:*:* | 3.5 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:headend_system_release:3.7:*:*:*:*:*:*:* | 3.7 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:headend_system_release:i4.3:*:*:*:*:*:*:* | i4.3 | Vulnerable | Cisco |
- cpe:2.3:o:cisco:headend_digital_broadband_delivery_system:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Cisco
- cpe:2.3:o:cisco:headend_system_release:2.5:*:*:*:*:*:*:* Versions 2.5 Vulnerable ·Cisco
- cpe:2.3:o:cisco:headend_system_release:2.7:*:*:*:*:*:*:* Versions 2.7 Vulnerable ·Cisco
- cpe:2.3:o:cisco:headend_system_release:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·Cisco
- cpe:2.3:o:cisco:headend_system_release:3.5:*:*:*:*:*:*:* Versions 3.5 Vulnerable ·Cisco
- cpe:2.3:o:cisco:headend_system_release:3.7:*:*:*:*:*:*:* Versions 3.7 Vulnerable ·Cisco
- cpe:2.3:o:cisco:headend_system_release:i4.3:*:*:*:*:*:*:* Versions i4.3 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2015-0743
- 2026-10-03 Alias added: GHSA-g89x-fv92-p98w
References
More Cisco Headend Digital Broadband Delivery System vulnerabilities
- TI-2015-00693 Cisco DTA Control System (DTACS) 4.0.0.9 and Cisco Headend System Release allow remote… CVSS 2.0HIGH 7.8
- TI-2015-00707 Cross-site request forgery (CSRF) vulnerability in Cisco Headend Digital Broadband… CVSS 2.0MEDIUM 6.8
- TI-2015-00694 Cisco Headend System Release allows remote attackers to read temporary script files or… CVSS 2.0MEDIUM 5.0
- TI-2015-00696 Cisco Conductor for Videoscape 3.0 and Cisco Headend System Release allow remote… CVSS 2.0MEDIUM 4.3
- TI-2015-00682 CRLF injection vulnerability in the HTTP Header Handler in Digital Broadband Delivery… CVSS 2.0MEDIUM 4.3
- TI-2015-00673 Multiple cross-site scripting (XSS) vulnerabilities in dncs 7.0.0.12 in Cisco Headend… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2015-0743 · CVE Program
- CVE-2015-0743 · NVD
- FIRST EPSS
- GHSA-g89x-fv92-p98w · 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