PT-2021-2507 · Cisco · Cisco Ios Xe Sd-Wan+1

Daemon Yang · Published 2021-03-24 · Updated 2022-08-05 · CVE-2021-1281

Positive Technologies (AI Summary)

CVSS v2.0

6.9

Medium

Base vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Cisco IOS XE SD-WAN Software (affected versions not specified)

Description A vulnerability in CLI management could allow an authenticated, local attacker to access the underlying operating system as the root user. This issue is due to the way the software handles concurrent CLI sessions. An attacker could exploit this by authenticating to the device as an administrative user and executing a sequence of commands, potentially obtaining access to the underlying operating system as the root user.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-399

Related Identifiers

BDU:2021-01883

CVE-2021-1281

Affected Products

Cisco Ios Xe Sd-Wan

Cisco Ios Xe

References · 5

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-clipriv-9TO2QGVp · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-clipriv-9TO2QGVp · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-01883 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1281 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1281 · Security Note