Detections
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Cisco SD-WAN vDaemon Buffer Overflow (cisco-sa-sdwan-vdaemon-bo-RuzzEA2)

medium Nessus Plugin ID 149879

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco SD-WAN vManage Software is affected by a buffer overflow vulnerability due to incomplete bounds checks for vDaemon service data. An authenticated, local attacker can exploit this, by sending malicious data, in order to cause a denial of service (DoS) condition.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvt11526

See Also

http://www.nessus.org/u?b60e7466

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvt11526

Plugin Details

Severity: Medium

ID: 149879

File Name: cisco-sa-sdwan-vdaemon-bo-RuzzEA2.nasl

Version: 1.6

Type: local

Family: CISCO

Published: 5/25/2021

Updated: 8/5/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.3

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:P

CVSS Score Source: CVE-2021-1466

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:sd-wan_vmanage, cpe:/o:cisco:sd-wan_firmware

Required KB Items: Cisco/Viptela/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 3/3/2021

Vulnerability Publication Date: 3/3/2021

Reference Information

CVE: CVE-2021-1466