CVE-2001-1071

Name: CVE-2001-1071
Creator: NVD / NIST
Published: 2001-10-09T04:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.31%

Last modified Jun 16, 2026

CVE-2001-1071 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.31% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.31%

81.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cisco	Ios	11.1
Cisco	Ios	11.2
Cisco	Ios	11.3\(11\)b
Cisco	Ios	12.0\(5.1\)xp
Cisco	Ios	12.0\(19\)
Cisco	Ios	12.1
Cisco	Catos	4.5\(1\)

References

http://www.kb.cert.org/vuls/id/139491US Government Resource
http://www.osvdb.org/1969
http://www.securityfocus.com/archive/1/219257Patch, Vendor Advisory
http://www.securityfocus.com/archive/1/219305Patch, Vendor Advisory
http://www.securityfocus.com/bid/3412Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/7242
http://www.kb.cert.org/vuls/id/139491US Government Resource
http://www.osvdb.org/1969
http://www.securityfocus.com/archive/1/219257Patch, Vendor Advisory
http://www.securityfocus.com/archive/1/219305Patch, Vendor Advisory
http://www.securityfocus.com/bid/3412Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/7242

Timeline

Published: Oct 9, 2001
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2001-1071?

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.

How severe is CVE-2001-1071?

Severity scoring for CVE-2001-1071 is pending analysis. The EPSS model estimates a 2.31% probability of exploitation in the next 30 days.

How do I fix CVE-2001-1071?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2001-1071?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST