SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2002-2053

The design of the Hot Standby Routing Protocol (HSRP), as implemented on Cisco IOS 12.1, when using IRPAS, allows remote attackers to cause a denial of service (CPU consumption) via a router with the same IP address as the interface on which HSRP is…

MEDIUM 5.0EPSS 1.59%

Does this matter?

Lower severity and a low EPSS score (1.59%). Track it; it rarely justifies an emergency change on its own.

Description

The design of the Hot Standby Routing Protocol (HSRP), as implemented on Cisco IOS 12.1, when using IRPAS, allows remote attackers to cause a denial of service (CPU consumption) via a router with the same IP address as the interface on which HSRP is running, which causes a loop.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
1.59% probability · 74th percentile
CISA KEV
Not listed
Affected
cisco/ios
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.