CVE-2019-12657 — Improper Input Validation in Cisco IOS XE Software 3.16.0s

CWE-20 — Improper Input Validation4 documents4 sources
Severity
7.5HIGHNVD
EPSS
1.4%
top 19.21%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOS XE Software 3.16.0sCisco IOS XE
Timeline
PublishedSep 25
Latest updateMay 24

Description

A vulnerability in Unified Threat Defense (UTD) in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper validation of IPv6 packets through the UTD feature. An attacker could exploit this vulnerability by sending IPv6 traffic through an affected device that is configured with UTD. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition.

CVSS vector

CVSS:3.1/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_xe_software_3.16.0sunspecified — n/a
▶NVDcisco/ios_xe16.3.6

🔴Vulnerability Details

2
GHSA
GHSA-wq5w-p696-g7gx: A vulnerability in Unified Threat Defense (UTD) in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device t↗2022-05-24
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CVEList
Cisco IOS XE Software Unified Threat Defense Denial of Service Vulnerability↗2019-09-25
▶

📋Vendor Advisories

1
Cisco
Cisco IOS XE Software Unified Threat Defense Denial of Service Vulnerability↗2019-09-25
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CVE-2019-12657 — Improper Input Validation in Cisco | cvebase