CVE-2021-23027 is a DOM-based cross-site scripting (XSS) vulnerability affecting specific versions of F5 BIG-IP Configuration utility (16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, and 14.1.x before 14.1.4.3). This allows an unauthenticated attacker to execute arbitrary JavaScript in the context of a logged-in user. Rated as Medium severity (CVSS 6.1), the vulnerability has a low attack complexity and requires user interaction, potentially leading to limited impact on confidentiality and integrity. While the CVSS score is moderate, media coverage suggests a higher perceived risk, with some outlets reporting potential for "complete system takeover." There is no evidence of active exploitation (KEV, Hot List) or public exploit code (Metasploit, Nuclei, ExploitDB). However, the vulnerability has garnered significant community discussion and media attention, indicating awareness within the cybersecurity landscape.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 14.1.0, <= 14.1.4CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | ||
>= 15.1.0, <= 15.1.3CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | ||
>= 16.0.0, <= 16.0.1.1CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | ||
>= 14.1.0, <= 14.1.4CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* | ||
>= 15.1.0, <= 15.1.3CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.