CVE-2023-46747
CriticalExploitedPublic exploitUndisclosed 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.
Published Oct 27, 2023 · Updated Oct 21, 2025 · Also known as TR-23-0606
Key Facts
Patch immediately- CVE-2023-46747 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Big-Ip Access Policy Manager (F5), Big-Ip Advanced Firewall Manager (F5), Big-Ip Advanced Web Application Firewall (F5) and 18 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 31, 2023 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 97% probability of exploitation in the next 30 days.
- Fixed versions are available, including Big-Ip Access Policy Manager <=13.1.5, Big-Ip Advanced Firewall Manager <=13.1.5, Big-Ip Advanced Web Application Firewall <=13.1.5.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
97%
Higher than 99.8% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-46747 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
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
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Oct 31, 2023 | Nov 21, 2023 | Known |
| Industry KEV feed | Oct 31, 2023 | Nov 21, 2023 | Known |
| CIRCL KEV | Oct 31, 2023 | Nov 21, 2023 | Known |
| ENISA EUVD | Oct 31, 2023 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected Products
21 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Big-Ip Access Policy ManagerF5 | See advisory | 13.1.5 |
| Big-Ip Advanced Firewall ManagerF5 | See advisory | 13.1.5 |
| Big-Ip Advanced Web Application FirewallF5 | See advisory | 13.1.5 |
| Big-Ip AnalyticsF5 | See advisory | 13.1.5 |
| Big-Ip Application Acceleration ManagerF5 | See advisory | 13.1.5 |
Patched Releases
Big-Ip Access Policy Manager
<=13.1.5
Big-Ip Advanced Firewall Manager
<=13.1.5
Big-Ip Advanced Web Application Firewall
<=13.1.5
Big-Ip Analytics
<=13.1.5
Big-Ip Application Acceleration Manager
<=13.1.5
Big-Ip Application Security Manager
<=13.1.5
Big-Ip Application Visibility And Reporting
<=13.1.5
Big-Ip Automation Toolchain
<=13.1.5
Big-Ip Carrier-Grade Nat
<=13.1.5
Big-Ip Container Ingress Services
<=13.1.5
Big-Ip Ddos Hybrid Defender
<=13.1.5
Big-Ip Domain Name System
<=13.1.5
Big-Ip Fraud Protection Services
<=13.1.5
Big-Ip Global Traffic Manager
<=13.1.5
Big-Ip Link Controller
<=13.1.5
Big-Ip Local Traffic Manager
<=13.1.5
Big-Ip Policy Enforcement Manager
<=13.1.5
Big-Ip SSL Orchestrator
<=13.1.5
Big-Ip Webaccelerator
<=13.1.5
Big-Ip Websafe
<=13.1.5
Timeline
Publicly disclosed
Oct 27, 2023
Added to CISA KEV
Oct 31, 2023
Added to Industry KEV feed
Oct 31, 2023
Added to CIRCL KEV
Oct 31, 2023
Added to ENISA EUVD
Oct 31, 2023
Last updated
Oct 21, 2025
Weakness Type
- CWE-288 Authentication Bypass Using an Alternate Path or Channel
- CWE-306 Missing Authentication for Critical Function
References
- advisoryhttps://my.f5.com/manage/s/article/K000137353
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2023-46748
- advisoryhttps://thehackernews.com/2023/10/f5-issues-warning-big-ip-vulnerability.html
- advisoryhttps://www.praetorian.com/blog/refresh-compromising-f5-big-ip-with-request-smuggling-cve-2023-46747/
- advisoryUSOM advisory
FAQ
Common Questions.
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.
Affected: Big-Ip Access Policy Manager (F5); Big-Ip Advanced Firewall Manager (F5); Big-Ip Advanced Web Application Firewall (F5), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 31, 2023 and is known to be used in ransomware campaigns.
Yes. It was added on Oct 31, 2023 with a federal remediation due date of Nov 21, 2023.
Public exploit code is available.
Fixed versions are available, including Big-Ip Access Policy Manager <=13.1.5, Big-Ip Advanced Firewall Manager <=13.1.5, Big-Ip Advanced Web Application Firewall <=13.1.5.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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