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Weekly Signal
Live intelligence Updated 19 Aug 2026 · 12:58 UTC

F5 · Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Advanced Web Application Firewall +18 more

CVE-2023-46747

F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability

Recommended action

Treat this as an immediate remediation priority. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

View response plan
CVSS9.8
EPSS96.5%
KEVYes
ExploitationConfirmed exploitation
PatchPatch or guidance available ↓

Assessment

Why it matters

CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 96.5%; technical severity is CVSS 9.8.

Undisclosed requests may bypass configuration utility authentication, allowing an attacker with network access to the BIG-IP system through the management port and/or self IP addresses to execute arbitrary system commands.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Who should care

  • Teams operating Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Advanced Web Application Firewall +18 more
  • Vulnerability and exposure management teams
  • Security operations teams monitoring exploitation activity

Response plan

What I would do

  1. Confirm whether Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Advanced Web Application Firewall +18 more is present in the environment.
  2. Identify affected versions and establish whether vulnerable services are exposed or reachable.
  3. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  4. Review relevant security telemetry for evidence of attempted or successful exploitation.
  5. Document the remediation decision and track it to verified completion.

Vendor remediation

Patch and remediation links

Use the vendor source below to confirm the correct fixed version, package or mitigation for your affected product.

Technical details

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-288
Affected versions
F5 Big-ip Access Policy Manager (Start Including: 17.1.0, End Including: 17.1.1); F5 Big-ip Advanced Firewall Manager (Start Including: 17.1.0, End Including: 17.1.1); F5 Big-ip Advanced Web Application Firewall (Start Including: 17.1.0, End Including: 17.1.1); F5 Big-ip Analytics (Start Including: 17.1.0, End Including: 17.1.1); F5 Big-ip Application Acceleration Manager (Start Including: 17.1.0, End Including: 17.1.1); F5 Big-ip Application Security Manager (Start Including: 17.1.0, End Including: 17.1.1); F5 Big-ip Application Visibility And Reporting (Start Including: 17.1.0, End Including: 17.1.1); F5 Big-ip Automation Toolchain (Start Including: 17.1.0, End Including: 17.1.1)
Published
26 October 2023
Attack vector
Network
Privileges required
None
User interaction
None

Signal timeline

  1. CVE published
  2. Added to CISA KEV
  3. Latest EPSS score: 96.5%
  4. Signal calculated at 87

External references

Live public intelligence This assessment combines public-source evidence. Validate the affected product, version and exposure against your own environment before making a risk decision.