CVE-2020-3272

A vulnerability in the DHCP server of Cisco Prime Network Registrar could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient input validation of incoming DHCP traffic. An attacker could exploit this vulnerability by sending a crafted DHCP request to an affected device. A successful exploit could allow the attacker to cause a restart of the DHCP server process, causing a DoS condition.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
ciscoCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 57%
VendorProductVersion
ciscoprime_network_registrar
8.3 ≤
𝑥
< 8.3.7.1
ciscoprime_network_registrar
9.0 ≤
𝑥
< 9.1.3
ciscoprime_network_registrar
10.0 ≤
𝑥
< 10.1.0.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cpnr-dhcp-dos-BkEZfhLP
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cpnr-dhcp-dos-BkEZfhLP