CVE-2021-1433Improper Restriction of Operations within the Bounds of a Memory Buffer in Cisco IOS XE Software

Severity
8.1HIGHNVD
EPSS
0.7%
top 28.67%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMar 24
Latest updateMay 24

Description

A vulnerability in the vDaemon process in Cisco IOS XE SD-WAN Software could allow an unauthenticated, remote attacker to cause a buffer overflow on an affected device. This vulnerability is due to insufficient bounds checking when the device processes traffic. An attacker could exploit this vulnerability by sending crafted traffic to the device. The attacker must have a man-in-the-middle position between Cisco vManage and an associated device that is running an affected version of Cisco IOS XE

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.2 | Impact: 5.9

Affected Packages2 packages

NVDcisco/ios_xe23 versions+22

🔴Vulnerability Details

2
GHSA
GHSA-m47p-2p8x-qmpg: A vulnerability in the vDaemon process in Cisco IOS XE SD-WAN Software could allow an unauthenticated, remote attacker to cause a buffer overflow on a2022-05-24
CVEList
Cisco IOS XE SD-WAN Software vDaemon Buffer Overflow Vulnerability2021-03-24

📋Vendor Advisories

1
Cisco
Cisco IOS XE SD-WAN Software vDaemon Buffer Overflow Vulnerability2021-03-24
CVE-2021-1433 — Cisco IOS XE Software vulnerability | cvebase