CVE-2021-34727 — Classic Buffer Overflow in Cisco IOS XE Sd-wan Software

CWE-120 — Classic Buffer Overflow4 documents4 sources
Severity
9.8CRITICALNVD
EPSS
1.0%
top 22.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Cisco IOS XE Sd-wan Software
Timeline
PublishedSep 23
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 an affected device processes traffic. An attacker could exploit this vulnerability by sending crafted traffic to the device. A successful exploit could allow the attacker to cause a buffer overflow and possibly execute arbitrary commands with root-level privileges, or…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages1 packages

🔴Vulnerability Details

2
GHSA
GHSA-rxw2-fh82-mfcc: 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 a↗2022-05-24
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CVEList
Cisco IOS XE SD-WAN Software Buffer Overflow Vulnerability↗2021-09-23
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📋Vendor Advisories

1
Cisco
Cisco IOS XE SD-WAN Software Buffer Overflow Vulnerability↗2021-09-22
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CVE-2021-34727 — Classic Buffer Overflow in Cisco | cvebase