CVE-2019-1964 — Improper Input Validation in Cisco Nx-os Software 8.1

CWE-20 — Improper Input Validation4 documents4 sources
Severity
7.5HIGHNVD
CNA8.6
EPSS
1.4%
top 19.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco Nx-os Software 8.1Cisco Nx-os
Timeline
PublishedAug 28
Latest updateMay 24

Description

A vulnerability in the IPv6 traffic processing of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause an unexpected restart of the netstack process on an affected device. The vulnerability is due to improper validation of IPv6 traffic sent through an affected device. An attacker could exploit this vulnerability by sending a malformed IPv6 packet through an affected device. A successful exploit could allow the attacker to cause a denial of service (DoS) condition while t…

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5cisco/cisco_nx-os_software_8.1unspecified — 8.4(1)
▶NVDcisco/nx-os8.1 — 8.2\(3\)+1

🔴Vulnerability Details

2
GHSA
GHSA-23r8-fhxm-33gj: A vulnerability in the IPv6 traffic processing of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause an unexpected restart↗2022-05-24
▶
CVEList
Cisco NX-OS Software IPv6 Denial of Service Vulnerability↗2019-08-28
▶

📋Vendor Advisories

1
Cisco
Cisco NX-OS Software IPv6 Denial of Service Vulnerability↗2019-08-28
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CVE-2019-1964 — Improper Input Validation in Cisco | cvebase