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CVE-2015-4223: Cisco IOS XR 5.1.3 allows remote attackers to cause a denial of service (process reload) via crafted MPLS L...

Cisco IOS XR 5.1.3 allows remote attackers to cause a denial of service (process reload) via crafted MPLS Label Distribution Protocol (LDP) packets, aka Bug ID CSCuu77478.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This vulnerability can let a remote attacker crash or reload a Cisco IOS XR process by sending crafted MPLS LDP packets. The business risk is network disruption on affected routing infrastructure, not confirmed data theft or takeover. Exposure is most likely on Cisco IOS XR 5.1.3 devices running or reachable for MPLS LDP. The provided affected-product metadata is incomplete, so confirm exact platforms and releases against Cisco guidance. Treat this as a service-availability risk for routing infrastructure. Escalate if IOS XR 5.1.3 and MPLS LDP are present on critical network paths; otherwise track through normal network maintenance. Mitigation focus: Review Cisco advisory 39509 for fixed releases or vendor workarounds.; Prioritize remediation on core, provider-edge, and high-availability routing devices.; Limit MPLS LDP reachability to trusted routing peers where operationally feasible..

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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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0ADP providers
1Source links

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Affected products

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n/an/an/aListed
Weakness

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