CVE-2020-3267

Cisco Unified Contact Center Express Improper API Authorization Vulnerability

HIGH
7.1
CVSS Score
Published: June 3, 2020 at 05:56 PM UTC
Updated: June 17, 2026 at 03:17 AM UTC
1 product affected across 1 vendorUnified Contact Center Express

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Severity
HIGH7.1
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

A vulnerability in the API subsystem of Cisco Unified Contact Center Express (Unified CCX) could allow an authenticated, remote attacker to change the availability state of any agent. The vulnerability is due to insufficient authorization enforcement on an affected system. An attacker could exploit this vulnerability by authenticating to an affected system with valid agent credentials and performing a specific API call with crafted input. A successful exploit could allow the attacker to change the availability state of an agent, potentially causing a denial of service condition.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 12.5(1)
Affected range stops below 12.5(1), so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-285CWE-552

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