CVE-2015-0586
Published Jan 28, 2015 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
The Network-Based Application Recognition (NBAR) protocol implementation in Cisco IOS 15.3(100)M and earlier on Cisco 2900 Integrated Services Router (aka Cisco Internet Router) devices allows remote attackers to cause a denial of service (NBAR process hang) via IPv4 packets, aka Bug ID CSCuo73682.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
The Network-Based Application Recognition (NBAR) protocol implementation in Cisco IOS 15.3(100)M and earlier on Cisco 2900 Integrated Services Router (aka Cisco Internet Router) devices allows remote attackers to cause a denial of service (NBAR process hang) via IPv4 packets, aka Bug ID CSCuo73682.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- 20150126 Cisco 2900 Series Integrated Services Router Network-Based Application Recognition Denial of Service Vulnerability ↗
- tools.cisco.com ↗
- 1031659 ↗
- 72309 ↗
- cisco-2900series-cve20150586-dos(100660) ↗
Record history
Published Jan 28, 2015 · Last refreshed Nov 3, 2026