CVE-2021-1528 - CVE House
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Status published High CVE-2021-1528

Cisco SD-WAN Software Privilege Escalation Vulnerability

Vulnerability Description

A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges on an affected system. This vulnerability exists because the affected software does not properly restrict access to privileged processes. An attacker could exploit this vulnerability by invoking a privileged process in the affected system. A successful exploit could allow the attacker to perform actions with the privileges of the root user.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Cisco SD-WAN Solution
Vulnerable Versions:
Unknown

Timeline

Official Publish: June 4th, 2021
Last Modified: November 7th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-250

MITRE ATT&CK TTPs

T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1548 Abuse Elevation Control Mechanism
Defense Evasion
T1078 Valid Accounts
Persistence
T1574 Hijack Execution Flow
Privilege Escalation
T1485 Data Destruction
Impact