Unrated severityNVD Advisory· Published Nov 15, 2001· Updated Jun 16, 2026
CVE-2001-0895
CVE-2001-0895
Description
Multiple Cisco networking products allow remote attackers to cause a denial of service on the local network via a series of ARP packets sent to the router's interface that contains a different MAC address for the router, which eventually causes the router to overwrite the MAC address in its ARP table.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
11- cpe:2.3:h:cisco:catalyst_2900xl:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:catalyst_2948g-l3:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:catalyst_2950:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:catalyst_3500xl:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:catalyst_3550:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:catalyst_4000:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:catalyst_4908g-l3:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:catalyst_5000:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:catalyst_6000:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:catalyst_8500:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:distributed_director:*:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
5- www.cisco.com/warp/public/707/IOS-arp-overwrite-vuln-pub.shtmlnvdPatchVendor Advisory
- www.kb.cert.org/vuls/id/399355nvdUS Government Resource
- www.osvdb.org/807nvd
- www.securityfocus.com/bid/3547nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/7547nvd
News mentions
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