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CVE-2023-42768

BIG-IP iControl REST vulnerability

HIGH
7.2
CVSS Score
Published: October 10, 2023 at 12:34 PM UTC
Updated: June 17, 2026 at 06:24 AM UTC
20 products affected across 1 vendorBig IP Access Policy ManagerBig IP Application Security ManagerBig IP Advanced Firewall Manager

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Severity
HIGH7.2
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

When a non-admin user has been assigned an administrator role via an iControl REST PUT request and later the user's role is reverted back to a non-admin role via the Configuration utility, tmsh, or iControl REST. BIG-IP non-admin user can still have access to iControl REST admin resource.  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.

Big IP Access Policy Manager· F5
95%
13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v ≤ 14.1.515.1.0 ≤ v < 15.1.916.1.0 ≤ v < 16.1.4
Affected range stops below 15.1.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.1.4, so it looks safe — our inference, not a vendor statement
Big IP Advanced Firewall Manager· F5
95%
13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v ≤ 14.1.515.1.0 ≤ v < 15.1.916.1.0 ≤ v < 16.1.4
Affected range stops below 15.1.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.1.4, so it looks safe — our inference, not a vendor statement
Big IP Advanced Web Application Firewall· F5
95%
13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v ≤ 14.1.515.1.0 ≤ v < 15.1.916.1.0 ≤ v < 16.1.4
Affected range stops below 15.1.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.1.4, so it looks safe — our inference, not a vendor statement
Big IP Analytics· F5
95%
13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v ≤ 14.1.515.1.0 ≤ v < 15.1.916.1.0 ≤ v < 16.1.4
Affected range stops below 15.1.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.1.4, so it looks safe — our inference, not a vendor statement
Big IP Application Acceleration Manager· F5
95%
13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v ≤ 14.1.515.1.0 ≤ v < 15.1.916.1.0 ≤ v < 16.1.4
Affected range stops below 15.1.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.1.4, so it looks safe — our inference, not a vendor statement
Big IP Application Security Manager· F5
95%
13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v ≤ 14.1.515.1.0 ≤ v < 15.1.916.1.0 ≤ v < 16.1.4
Affected range stops below 15.1.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.1.4, so it looks safe — our inference, not a vendor statement
Big IP Application Visibility and Reporting· F5
95%
13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v ≤ 14.1.515.1.0 ≤ v < 15.1.916.1.0 ≤ v < 16.1.4
Affected range stops below 15.1.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.1.4, so it looks safe — our inference, not a vendor statement
Big IP Carrier Grade Nat· F5
95%
13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v ≤ 14.1.515.1.0 ≤ v < 15.1.916.1.0 ≤ v < 16.1.4
Affected range stops below 15.1.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.1.4, so it looks safe — our inference, not a vendor statement
Big IP Ddos Hybrid Defender· F5
95%
13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v ≤ 14.1.515.1.0 ≤ v < 15.1.916.1.0 ≤ v < 16.1.4
Affected range stops below 15.1.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.1.4, so it looks safe — our inference, not a vendor statement
Big IP Domain Name System· F5
95%
13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v ≤ 14.1.515.1.0 ≤ v < 15.1.916.1.0 ≤ v < 16.1.4
Affected range stops below 15.1.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.1.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://my.f5.com/manage/s/article/K26910459

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGHf5
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-613

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