TI-2021-01306 Aliases CVE-2021-1582 GHSA-h49f-v2qm-5q9g

Cisco Application Policy Infrastructure Controller Stored Cross-Site Scripting Vulnerability

LOW 25CWE-79Published 2021-08-25 · Updated 2024-11-07

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

A vulnerability in the web UI of Cisco Application Policy Infrastructure Controller (APIC) or Cisco Cloud APIC could allow an authenticated, remote attacker to perform a stored cross-site scripting attack on an affected system. This vulnerability is due to improper input validation in the web UI. An authenticated attacker could exploit this vulnerability by sending malicious input to the web UI. A successful exploit could allow the attacker to execute arbitrary script code in the context of the web-based interface or access sensitive, browser-based information.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00599 48th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Cisco	Cisco Application Policy Infrastructure Controller (APIC)	all versions	—	No fix listed	CNA

Cisco Application Policy Infrastructure Controller (APIC) VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:application_policy_infrastructure_controller::::::::	before 3.2\(10f\); 4.0 to before 4.2\(7i\); 5.0 to before 5.2\(2f\)	Vulnerable	Cisco
cpe:2.3:a:cisco:cloud_application_policy_infrastructure_controller::::::::	before 3.2\(10f\); 4.0 to before 4.2\(7i\); 5.0 to before 5.2\(1h\)	Vulnerable	Cisco

cpe:2.3:a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:* Versions before 3.2\(10f\); 4.0 to before 4.2\(7i\); 5.0 to before 5.2\(2f\) Vulnerable ·Cisco
cpe:2.3:a:cisco:cloud_application_policy_infrastructure_controller:*:*:*:*:*:*:*:* Versions before 3.2\(10f\); 4.0 to before 4.2\(7i\); 5.0 to before 5.2\(1h\) Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-1582
2026-10-03 Alias added: GHSA-h49f-v2qm-5q9g

References

Patch 1

20210825 Cisco Application Policy Infrastructure Controller Stored Cross-Site Scripting Vulnerability

TI-2021-01115 Cisco ACI Multi-Site Orchestrator Application Services Engine Deployment Authentication Bypass Vulnerability CVSS 3.1CRITICAL 10.0
TI-2021-01120 Cisco Application Services Engine Unauthorized Access Vulnerabilities CVSS 3.1CRITICAL 9.8
TI-2021-01123 Cisco Application Services Engine Unauthorized Access Vulnerabilities CVSS 3.1CRITICAL 9.8
TI-2021-01301 Cisco Application Policy Infrastructure Controller Arbitrary File Read and Write Vulnerability CVSS 3.1CRITICAL 9.1
TI-2021-01305 Cisco Application Policy Infrastructure Controller Command Injection and File Upload Vulnerabilities CVSS 3.1CRITICAL 9.1
TI-2021-01302 Cisco Application Policy Infrastructure Controller Privilege Escalation Vulnerability CVSS 3.1HIGH 8.8

See all 33 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences