CVE-2019-1761
moderate-risk
Published 2019-03-28
A vulnerability in the Hot Standby Router Protocol (HSRP) subsystem of Cisco IOS and IOS XE Software could allow an unauthenticated, adjacent attacker to receive potentially sensitive information from an affected device. The vulnerability is due to insufficient memory initialization. An attacker could exploit this vulnerability by receiving HSRPv2 traffic from an adjacent HSRP member. A successful exploit could allow the attacker to receive potentially sensitive information from the adjacent device.
Do I need to act?
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0.07% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10
Medium
ADJACENT_NETWORK
/ LOW complexity
Affected Products (20)
Affected Vendors
48
/ 100
moderate-risk
Severity
15/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
33/34 · Critical