CVE-2021-1388: cisco aci_multi-site_orchestrator Improper Privilege Management

Vulnerability summary

CVE-2021-1388 is a critical (CVSS 10.0) Improper Privilege Management vulnerability in cisco aci_multi-site_orchestrator. EPSS estimates a 14.85% chance of exploitation in the next 30 days, higher than 96.6% of scored vulnerabilities.

Timeline

1. 24-02-2021
   PublishedVulnerability first disclosed.
2. 08-11-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability in an API endpoint of Cisco ACI Multi-Site Orchestrator (MSO) installed on the Application Services Engine could allow an unauthenticated, remote attacker to bypass authentication on an affected device. The vulnerability is due to improper token validation on a specific API endpoint. An attacker could exploit this vulnerability by sending a crafted request to the affected API. A successful exploit could allow the attacker to receive a token with administrator-level privileges that could be used to authenticate to the API on affected MSO and managed Cisco Application Policy Infrastructure Controller (APIC) devices.

• CWE-269Improper Privilege ManagementThe product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.