CVE-2021-1431 — Improper Input Validation in Cisco IOS XE Software

CWE-20 — Improper Input Validation4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.4%
top 40.27%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOS XE SoftwareCisco IOS XE
Timeline
PublishedMar 24
Latest updateMay 24

Description

A vulnerability in the vDaemon process of Cisco IOS XE SD-WAN Software could allow an unauthenticated, remote attacker to cause a device to reload, resulting a denial of service (DoS) condition. This vulnerability is due to insufficient handling of malformed packets. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a 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

▶NVDcisco/ios_xe32 versions+31

🔴Vulnerability Details

2
GHSA
GHSA-9pw7-f4hr-c838: A vulnerability in the vDaemon process of Cisco IOS XE SD-WAN Software could allow an unauthenticated, remote attacker to cause a device to reload, re↗2022-05-24
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CVEList
Cisco IOS XE SD-WAN Software vDaemon Denial of Service Vulnerability↗2021-03-24
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📋Vendor Advisories

1
Cisco
Cisco IOS XE SD-WAN Software vDaemon Denial of Service Vulnerability↗2021-03-24
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CVE-2021-1431 — Improper Input Validation in Cisco | cvebase