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CVE Record

CVE-2016-6466: A vulnerability in the IPsec component of StarOS for Cisco ASR 5000 Series routers could allow an unauthent...

A vulnerability in the IPsec component of StarOS for Cisco ASR 5000 Series routers could allow an unauthenticated, remote attacker to terminate all active IPsec VPN tunnels and prevent new tunnels from establishing, resulting in a denial of service (DoS) condition. This vulnerability affects the following Cisco products: Cisco ASR 5000/5500 Series routers, Cisco Virtualized Packet Core (VPC). More Information: CSCva13631. Known Affected Releases: 20.0.0 20.1.0 20.2.0 20.2.3 20.2.v1 21.0.0 21.0.M0.64246. Known Fixed Releases: 20.2.3 20.2.3.65026 20.2.a4.65307 20.2.v1 20.2.v1.65353 20.3.M0.65037 20.3.T0.65043 21.0.0 21.0.0.65256 21.0.M0.64595 21.0.M0.64860 21.0.M0.65140 21.0.V0.65052 21.0.V0.65150 21.0.V0.65366 21.0.VC0.64639 21.1.A0.64861 21.1.A0.65145 21.1.PP0.65270 21.1.R0.65130 21.1.R0.65135 21.1.R0.65154 21.1.VC0.64898 21.1.VC0.65203 21.2.A0.65147.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2016-6466 is an availability flaw in Cisco StarOS IPsec handling. An unauthenticated remote attacker could terminate all active IPsec VPN tunnels and stop new tunnels from forming on affected ASR 5000/5500 and Virtualized Packet Core deployments. Exposure is likely limited to organizations operating Cisco ASR 5000/5500 Series routers or Cisco Virtualized Packet Core using affected StarOS releases and IPsec VPN functionality. Prioritize remediation where these platforms support revenue, mobile packet core, partner connectivity, or operational VPN services. The business risk is service interruption, not data theft, based on the supplied evidence. Mitigation focus: Upgrade to a Cisco-listed fixed StarOS release for the affected train.; Confirm upgrade targets against Cisco advisory cisco-sa-20161116-asr.; Escalate to Cisco support using bug reference CSCva13631 if release status is unclear..

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Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

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Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aCisco StarOS 20.0.0 through 21.0.M0.64246Cisco StarOS 20.0.0 through 21.0.M0.64246Listed
Weakness

CWE details

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