CVE-2021-23031CWE-78

On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4.1, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and 11.6.x before 11.6.5.3, an…

published September 14, 2021

CVSS
—
EPSS
3%
Percentile
86.4
In the wild
Unconfirmed
What it is

⚠️ An authenticated user can escalate their privileges in the BIG-IP Advanced WAF configuration — like a hotel guest accidentally getting access to the staff-only lounge! Think of it like a guest at a hotel using a tiny loophole to access the exclusive penthouse. They were given a room key, but with just a little trickery, they get a peek behind the curtain and access features reserved for management. This privilege escalation could allow the user to modify security settings or access sensitive information, potentially leading to a complete compromise of the WAF system. Imagine the chaos if someone could manipulate security configurations — they could open the floodgates!

Put simply

Think of it like a guest at a hotel using a tiny loophole to access the exclusive penthouse. They were given a room key, but with just a little trickery, they get a peek behind the curtain and access features reserved for management. In versions 16.0.x (before 16.0.1.2), 15.1.x (before 15.1.3), and several earlier versions, an authenticated user can exploit this flaw to gain higher privileges than intended within the BIG-IP Advanced WAF and ASM Configuration utility.

What to do

This privilege escalation could allow the user to modify security settings or access sensitive information, potentially leading to a complete compromise of the WAF system. Imagine the chaos if someone could manipulate security configurations — they could open the floodgates! To protect your systems, upgrade to the latest versions: 16.0.1.2, 15.1.3, 14.1.4.1, 13.1.4, 12.1.6, or 11.6.5.3 depending on your current version. Regularly review user permissions and consider auditing any configurations. 🔍 Remember, staying proactive is key! Update now, and you'll have your defenses strengthened in no time. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02814 · 86.4th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2021-09-14T18:07Z
EPSS history
Timeline
  • 14 SEP 18:07Z
    On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4.1, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and 11.6.x before 11.6.5.3, an…
    cvelistv5