CVE-2020-3333: Cisco Application Services Engine Software Unauthenticated Event Policies Update Vulnerability

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-06-03 · updated 2026-06-17
Weakness: CWE-306

Description

A vulnerability in the API of Cisco Application Services Engine Software could allow an unauthenticated, remote attacker to update event policies on an affected device. The vulnerability is due to insufficient authentication of users who modify policies on an affected device. An attacker could exploit this vulnerability by crafting a malicious HTTP request to contact an affected device. A successful exploit could allow the attacker to update event policies on the affected device.

Affected products

Cisco Application Policy Infrastructure Controller (APIC): 1.1(0c)
Cisco Application Services Engine: before 1.1.2.20 — fixed in 1.1.2.20

How to fix

Upgrade to a fixed version: Cisco Application Services Engine 1.1.2.20. Check the vendor advisory for mitigations.

References

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