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CVE Record

CVE-2014-3321: Cisco IOS XR 4.3.4 and earlier on ASR 9000 devices, when bridge-group virtual interface (BVI) routing is en...

Cisco IOS XR 4.3.4 and earlier on ASR 9000 devices, when bridge-group virtual interface (BVI) routing is enabled, allows remote attackers to cause a denial of service (chip and card hangs) via a series of crafted MPLS packets, aka Bug ID CSCuo91149.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

This issue can let a remote attacker crash or hang hardware on Cisco ASR 9000 routers in a specific IOS XR and BVI routing configuration. For organizations using affected edge or carrier routing, the business risk is service interruption rather than data theft. Exposure appears limited to Cisco ASR 9000 devices running IOS XR 4.3.4 or earlier with BVI routing enabled and MPLS traffic reaching the device. The supplied sources do not establish impact for other Cisco platforms or later IOS XR releases. Prioritize if ASR 9000 routers support production MPLS or edge services. The issue is configuration-specific, but a successful denial of service could disrupt network availability. If those devices or features are absent, urgency is lower. Mitigation focus: Check Cisco advisory guidance for fixed software or recommended workarounds.; Inventory ASR 9000 devices and IOS XR versions.; Identify whether BVI routing is enabled on ASR 9000 routers..

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Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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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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1Source links

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Affected products

Products and packages named in the record

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