Vulnerability Monitor

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CVE-2017-6729


A vulnerability in the Border Gateway Protocol (BGP) processing functionality of the Cisco StarOS operating system for Cisco ASR 5000 Series Routers and Cisco Virtualized Packet Core (VPC) Software could allow an unauthenticated, remote attacker to cause the BGP process on an affected system to reload, resulting in a denial of service (DoS) condition. This vulnerability affects the following products if they are running the Cisco StarOS operating system and BGP is enabled for the system: Cisco ASR 5000 Series Routers and Cisco Virtualized Packet Core Software. More Information: CSCvc44968. Known Affected Releases: 16.4.1 19.1.0 21.1.0 21.1.M0.65824. Known Fixed Releases: 21.3.A0.65902 21.2.A0.65905 21.1.b0.66164 21.1.V0.66014 21.1.R0.65898 21.1.M0.65894 21.1.0.66030 21.1.0.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 2 products from cisco, from cisco organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2017, 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

2017-07-10T20:29:00.547

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application cisco asr_5000_software 16.4.1 Yes
Application cisco asr_5000_software 16.5.0 Yes
Application cisco asr_5000_software 16.5.2 Yes
Application cisco asr_5000_software 17.2.0 Yes
Application cisco asr_5000_software 17.2.0.59184 Yes
Application cisco asr_5000_software 17.3.0 Yes
Application cisco asr_5000_software 17.3.1 Yes
Application cisco asr_5000_software 17.3.9.62033 Yes
Application cisco asr_5000_software 17.3_base Yes
Application cisco asr_5000_software 17.7.0 Yes
Application cisco asr_5000_software 17.7.5 Yes
Application cisco asr_5000_software 18.0.0 Yes
Application cisco asr_5000_software 18.0.0.57828 Yes
Application cisco asr_5000_software 18.0.0.59167 Yes
Application cisco asr_5000_software 18.0.0.59211 Yes
Application cisco asr_5000_software 18.0.l0.59219 Yes
Application cisco asr_5000_software 18.1.0 Yes
Application cisco asr_5000_software 18.1.0.59776 Yes
Application cisco asr_5000_software 18.1.0.59780 Yes
Application cisco asr_5000_software 18.1_base Yes
Application cisco asr_5000_software 18.3.0 Yes
Application cisco asr_5000_software 18.3_base Yes
Application cisco asr_5000_software 18.4.0 Yes
Application cisco asr_5000_software 19.0.1 Yes
Application cisco asr_5000_software 19.0.m0.60737 Yes
Application cisco asr_5000_software 19.0.m0.60828 Yes
Application cisco asr_5000_software 19.0.m0.61045 Yes
Application cisco asr_5000_software 19.1.0 Yes
Application cisco asr_5000_software 19.1.0.61559 Yes
Application cisco asr_5000_software 19.2.0 Yes
Application cisco asr_5000_software 19.3.0 Yes
Application cisco asr_5000_software 19.6.3 Yes
Application cisco asr_5000_software 19.6_base Yes
Application cisco asr_5000_software 20.0.0 Yes
Application cisco asr_5000_software 20.0.1.0 Yes
Application cisco asr_5000_software 20.0.1.a0 Yes
Application cisco asr_5000_software 20.0.1.v0 Yes
Application cisco asr_5000_software 20.0.2.3 Yes
Application cisco asr_5000_software 20.0.2.3.65026 Yes
Application cisco asr_5000_software 20.0.2.v1 Yes
Application cisco asr_5000_software 20.0.m0.62842 Yes
Application cisco asr_5000_software 20.0.m0.63229 Yes
Application cisco asr_5000_software 20.0.v0 Yes
Application cisco asr_5000_software 20.1.v2 Yes
Application cisco asr_5000_software 20.1_base Yes
Application cisco asr_5000_software 20.2.12 Yes
Application cisco asr_5000_software 20.2_base Yes
Application cisco asr_5000_software 21.0.0 Yes
Application cisco asr_5000_software 21.0.v1 Yes
Application cisco asr_5000_software 21.0_base Yes
Application cisco asr_5000_software 21.0_m0.64246 Yes
Application cisco asr_5000_software 21.0_m0.64702 Yes
Hardware cisco asr_5000 - No

References

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.