CVE-2019-1751 — Improper Input Validation in Cisco IOS Software

CWE-20 — Improper Input Validation4 documents4 sources
Severity
7.5HIGHNVD
CNA8.6
EPSS
0.9%
top 23.71%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOS SoftwareCisco IOS
Timeline
PublishedMar 28
Latest updateMay 13

Description

A vulnerability in the Network Address Translation 64 (NAT64) functions of Cisco IOS Software could allow an unauthenticated, remote attacker to cause either an interface queue wedge or a device reload. The vulnerability is due to the incorrect handling of certain IPv4 packet streams that are sent through the device. An attacker could exploit this vulnerability by sending specific IPv4 packet streams through the device. An exploit could allow the attacker to either cause an interface queue wedge…

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_ios_software15.x
▶NVDcisco/ios80 versions+79

Patches

Patch: tools.cisco.com ↗Patch: tools.cisco.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-cgx8-9m8p-2q4p: A vulnerability in the Network Address Translation 64 (NAT64) functions of Cisco IOS Software could allow an unauthenticated, remote attacker to cause↗2022-05-13
▶
CVEList
Cisco IOS Software NAT64 Denial of Service Vulnerability↗2019-03-28
▶

📋Vendor Advisories

1
Cisco
Cisco IOS Software NAT64 Denial of Service Vulnerability↗2019-03-27
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CVE-2019-1751 — Improper Input Validation in Cisco | cvebase