Cisco IOS XE Buffer Overflow Vulnerabilities (cisco-sa-sdwan-bufovulns-B5NrSHbj)

critical Nessus Plugin ID 147962
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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version, Cisco IOS XE Software is affected by multiple buffer overflow vulnerabilities that allow an unauthenticated, remote attacker to execute attacks against an affected device.

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvi69895, CSCvt11525

See Also

http://www.nessus.org/u?7f3f0159

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvi69895

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvt11525

Plugin Details

Severity: Critical

ID: 147962

File Name: cisco-sa-sdwan-bufovulns-B5NrSHbj_ios_xe.nasl

Version: 1.5

Type: combined

Family: CISCO

Published: 3/23/2021

Updated: 3/24/2021

Dependencies: cisco_ios_xe_version.nasl

Risk Information

CVSS Score Source: CVE-2021-1300

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:cisco:ios_xe

Required KB Items: Host/Cisco/IOS-XE/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 1/20/2021

Vulnerability Publication Date: 1/20/2021

Reference Information

CVE: CVE-2021-1300, CVE-2021-1301

IAVA: 2021-A-0045

CISCO-BUG-ID: CSCvi69895, CSCvt11525

CISCO-SA: cisco-sa-sdwan-bufovulns-B5NrSHbj