What is CVE-2021-1582?

CVE-2021-1582 is a medium-severity vulnerability in Cisco Application Policy Infrastructure Controller, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-08-25.

How severe is CVE-2021-1582?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Cisco Application Policy Infrastructure Controller

CVE-2021-1582

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1582?: CVE-2021-1582 is a medium-severity vulnerability in Cisco Application Policy Infrastructure Controller, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-08-25.
How severe is CVE-2021-1582?: Medium severity. CVSS v3 base score is 5.4 out of 10.