CVE-2019-1761
published 2019-03-28CVE-2019-1761: A vulnerability in the Hot Standby Router Protocol (HSRP) subsystem of Cisco IOS and IOS XE Software could allow an unauthenticated, adjacent attacker to…
PriorityP419medium4.3CVSS 3.1
AVAACLPRNUINSUCLINAN
EPSS
0.63%
46.5th percentile
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.
Affected
2034 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
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| cisco | cisco_ios_and_ios_xe_software | — | — |
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| cisco | cisco_ios_and_ios_xe_software | — | — |
| cisco | cisco_ios_and_ios_xe_software | — | — |
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CVSS provenance
nvdv3.14.3MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
nvdv3.04.3MEDIUMCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
nvdv2.03.3LOWAV:A/AC:L/Au:N/C:P/I:N/A:N
vendor_cisco4.3MEDIUM
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Cisco
Cisco IOS and IOS XE Software Hot Standby Router Protocol Information Leak Vulnerability
vendor_cisco·2019-03-27·CVSS 4.3
CVE-2019-1761 [MEDIUM] CWE-665 Cisco IOS and IOS XE Software Hot Standby Router Protocol Information Leak Vulnerability
Cisco IOS and IOS XE Software Hot Standby Router Protocol Information Leak Vulnerability
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.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.
Cisco
Cisco IOS and IOS XE Software Hot Standby Router Protocol Information Leak Vulnerability
vendor_cisco·CVSS 3.0
CVE-2019-1761 Cisco IOS and IOS XE Software Hot Standby Router Protocol Information Leak Vulnerability
CVE-2019-1761: Cisco IOS and IOS XE Software Hot Standby Router Protocol Information Leak Vulnerability
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. Cisco has released software updates that address this vulnerability. There are no
CVSS: 3.0
CWE: CWE-665, CWE-665
Bug IDs: CSCvj98575
GHSA
GHSA-ww5w-rpfr-5qgm: A vulnerability in the Hot Standby Router Protocol (HSRP) subsystem of Cisco IOS and IOS XE Software could allow an unauthenticated, adjacent attacker
ghsa_unreviewed·2022-05-13
CVE-2019-1761 [MEDIUM] CWE-665 GHSA-ww5w-rpfr-5qgm: A vulnerability in the Hot Standby Router Protocol (HSRP) subsystem of Cisco IOS and IOS XE Software could allow an unauthenticated, adjacent attacker
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2019-03-28
Published