AUGUST 4, 2026
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Case File

CVE-2021-22978

HIGH · CVSS 8.3 EPSS 0.79%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-12 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.3. It affects BIG-IP.

CVE
CVE-2021-22978
Severity
HIGH
CVSS
8.3
EPSS
0.79%
BIG-IP

Original NVD Description

On BIG-IP version 16.0.x before 16.0.1, 15.1.x before 15.1.1, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.5, and all 12.1.x and 11.6.x versions, undisclosed endpoints in iControl REST allow for a reflected XSS attack, which could lead to a complete compromise of BIG-IP if the victim user is granted the admin role. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

Related CVEs

Other vulnerabilities affecting the same vendor(s)