Vulnerability Monitor

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CVE-2015-0586

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.

Security Impact Summary

CVE-2015-0586 is a security vulnerability that . Impacting 2 products from cisco, from cisco organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-01-28T22:59:04.153

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	ios	≤ 15.3\(100\)m	Yes
Hardware	cisco	2900_integrated_service_router	-	No

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0586 Vendor Advisory ([email protected])
http://tools.cisco.com/security/center/viewAlert.x?alertId=37171 Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/72309 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1031659 Third Party Advisory, VDB Entry ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/100660 ([email protected])
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0586 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://tools.cisco.com/security/center/viewAlert.x?alertId=37171 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/72309 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1031659 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/100660 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.