CVE-2021-1582
5.4 · MEDIUMOverview
CVE-2021-1582 is a medium-severity vulnerability affecting cisco application_policy_infrastructure_controller. It was published on August 25, 2021 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from cisco. Update application_policy_infrastructure_controller to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| cisco | application_policy_infrastructure_controller | >= 0, < 3.2\(10f\) | Affected |
| cisco | cloud_application_policy_infrastructure_controller | >= 0, < 3.2\(10f\) | Affected |
Frequently Asked Questions
What is CVE-2021-1582?
CVE-2021-1582 is a medium-severity vulnerability affecting cisco application_policy_infrastructure_controller. It was published on August 25, 2021 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
How severe is CVE-2021-1582?
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-1582?
Check the references section for vendor advisories and patches from cisco. Update application_policy_infrastructure_controller to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-1582?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-1582 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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