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CVE-2019-1761

MEDIUM

4.3

Description

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.

CVE Details

CVSS v3.1 Score4.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack VectorADJACENT_NETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/28/2019

Last Modified9/11/2025

Sourcenvd

Honeypot Sightings0

Affected Products

cisco:ioscisco:ios_xe

Weaknesses (CWE)

CWE-665CWE-665

References

http://www.securityfocus.com/bid/107620(psirt@cisco.com)

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-ios-infoleak(psirt@cisco.com)

http://www.securityfocus.com/bid/107620(af854a3a-2127-422b-91ae-364da2661108)

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-ios-infoleak(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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