CVE-2001-1071

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2001-10-09 · updated 2026-06-16

Description

Cisco IOS 12.2 and earlier running Cisco Discovery Protocol (CDP) allows remote attackers to cause a denial of service (memory consumption) via a flood of CDP neighbor announcements.

Affected products

Cisco Catos: 4.5(1)
Cisco IOS: 11.1, 11.2, 11.3(11)b, 12.0(5.1)xp, 12.0(19), 12.1

References

http://www.kb.cert.org/vuls/id/139491
http://www.osvdb.org/1969
http://www.securityfocus.com/archive/1/219257
http://www.securityfocus.com/archive/1/219305
http://www.securityfocus.com/bid/3412
https://exchange.xforce.ibmcloud.com/vulnerabilities/7242
http://www.kb.cert.org/vuls/id/139491
http://www.osvdb.org/1969
http://www.securityfocus.com/archive/1/219257
http://www.securityfocus.com/archive/1/219305
http://www.securityfocus.com/bid/3412
https://exchange.xforce.ibmcloud.com/vulnerabilities/7242

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