PT-2021-2193 · Cisco · Cisco Aci Multi-Site Orchestrator+1

Arthur Vidineyev · Published 2021-02-24 · Updated 2022-08-05 · CVE-2021-1388

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Cisco ACI Multi-Site Orchestrator (MSO) (affected versions not specified)

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

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

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

BDU:2021-01102

CVE-2021-1388

Affected Products

Cisco Aci Multi-Site Orchestrator

Cisco Application Policy Infrastructure Controller

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2021-1388 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-mso-authbyp-bb5GmBQv · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-01102 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1388 · Vendor Advisory
• https://t.me/cvenotify/10723 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021022514 · Note
• https://t.me/cibsecurity/24108 · Telegram Post