CVE-2021-23015
HIGH
7.2
CVSS Score
Published: May 10, 2021 at 02:40 PM UTC
Updated: June 17, 2026 at 03:38 AM UTC
15 products affected across 1 vendorBig IP Access Policy ManagerBig IP Application Security ManagerBig IP Advanced Firewall Manager
Using BIG-IP by N/A?
Get instant alerts when new vulnerabilities affect BIG-IP - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.2
Exploit prediction
EPSS 1%
Description
On BIG-IP 15.1.x before 15.1.3, 14.1.x before 14.1.4.2, 13.1.0.8 through 13.1.3.6, and all versions of 16.0.x, when running in Appliance Mode, an authenticated user assigned the 'Administrator' role may be able to bypass Appliance Mode restrictions utilizing undisclosed iControl REST endpoints. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
13.1.0 ≤ v < 13.1.414.1.0 ≤ v < 14.1.415.1.0 ≤ v < 15.1.316.0.0 ≤ v < 16.0.1.1
Affected range stops below 13.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.1.1, so it looks safe — our inference, not a vendor statement
13.1.0 ≤ v < 13.1.414.1.0 ≤ v < 14.1.415.1.0 ≤ v < 15.1.316.0.0 ≤ v < 16.0.1.1
Affected range stops below 13.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.1.1, so it looks safe — our inference, not a vendor statement
13.1.0 ≤ v < 13.1.414.1.0 ≤ v ≤ 14.1.415.1.0 ≤ v < 15.1.316.0.0 ≤ v < 16.0.1.1
Affected range stops below 13.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.1.1, so it looks safe — our inference, not a vendor statement
13.1.0 ≤ v < 13.1.414.1.0 ≤ v < 14.1.415.1.0 ≤ v < 15.1.316.0.0 ≤ v < 16.0.1.1
Affected range stops below 13.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.1.1, so it looks safe — our inference, not a vendor statement
13.1.0 ≤ v < 13.1.414.1.0 ≤ v < 14.1.415.1.0 ≤ v < 15.1.316.0.0 ≤ v < 16.0.1.1
Affected range stops below 13.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.1.1, so it looks safe — our inference, not a vendor statement
13.1.0 ≤ v < 13.1.414.1.0 ≤ v < 14.1.415.1.0 ≤ v < 15.1.316.0.0 ≤ v < 16.0.1.1
Affected range stops below 13.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.1.1, so it looks safe — our inference, not a vendor statement
13.1.0 ≤ v < 13.1.414.1.0 ≤ v < 14.1.415.1.0 ≤ v < 15.1.316.0.0 ≤ v < 16.0.1.1
Affected range stops below 13.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.1.1, so it looks safe — our inference, not a vendor statement
13.1.0 ≤ v < 13.1.414.1.0 ≤ v < 14.1.415.1.0 ≤ v < 15.1.316.0.0 ≤ v < 16.0.1.1
Affected range stops below 13.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.1.1, so it looks safe — our inference, not a vendor statement
13.1.0 ≤ v < 13.1.414.1.0 ≤ v < 14.1.415.1.0 ≤ v < 15.1.316.0.0 ≤ v < 16.0.1.1
Affected range stops below 13.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.1.1, so it looks safe — our inference, not a vendor statement
13.1.0 ≤ v < 13.1.414.1.0 ≤ v < 14.1.415.1.0 ≤ v < 15.1.316.0.0 ≤ v < 16.0.1.1
Affected range stops below 13.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.1.1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://support.f5.com/csp/article/K74151369CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-863
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card