What’s Vulnerable › Vulnerabilities

CVE-2001-0741

• Severity: low (CVSS 2.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2001-10-18 · updated 2026-06-16

Description

Cisco Hot Standby Routing Protocol (HSRP) allows local attackers to cause a denial of service by spoofing HSRP packets.

Affected products

• Cisco Hsrp: all versions

References

• http://archives.neohapsis.com/archives/bugtraq/2001-05/0035.html
• http://www.cisco.com/networkers/nw00/pres/2402.pdf
• http://www.securityfocus.com/bid/2684
• https://exchange.xforce.ibmcloud.com/vulnerabilities/6497
• http://archives.neohapsis.com/archives/bugtraq/2001-05/0035.html
• http://www.cisco.com/networkers/nw00/pres/2402.pdf
• http://www.securityfocus.com/bid/2684
• https://exchange.xforce.ibmcloud.com/vulnerabilities/6497

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