What’s Vulnerable › Vulnerabilities

CVE-2012-4621

• Severity: high (CVSS 7.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-09-27 · updated 2026-06-16
• Weakness: CWE-399

Description

The Device Sensor feature in Cisco IOS 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via a DHCP packet, aka Bug ID CSCty96049.

Affected products

• Cisco IOS: 15.0, 15.0(1)se, 15.1, 15.2

References

• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-dhcp
• http://www.securitytracker.com/id?1027572
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-dhcp
• http://www.securitytracker.com/id?1027572

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