VAR-201310-0015
Vulnerability from variot - Updated: 2025-04-11 22:59The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service (BGP service reset and resync) via a malformed UPDATE message, aka Bug ID CSCtn13055. The Cisco Nexus Series switches are data center switches. Adopt the Cisco Nexus OS operating system. Successful exploitation of the vulnerability allows the downstream peer to reset the BGP link of the affected device. Cisco NX-OS is prone to a denial-of-service vulnerability because it fails to properly sanitize user-supplied input. This issue is being tracked by Cisco bug ID CSCtn13055. The vulnerability is caused by the program not correctly filtering the AS path attribute value
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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