# CVE-2023-46747 — F5 Big-ip Access Policy Manager

**CISA KEV** · **Ransomware**

> As of 2025-10-21, CVE-2023-46747 is a CRITICAL-severity vulnerability in F5 Big-ip Access Policy Manager, CVSS v3.1 9.8, EPSS 96.5% (99.8th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-10-31), with a US federal remediation deadline of 2023-11-21, and CISA links it to known ransomware campaigns. Threadlinqs Intelligence links 3 tracked threat campaigns to CVE-2023-46747, most recently “StrikeShark Campaign: SharkLoader Dropper Targets Governments and Software Developers via N-Day Exploits and Trojanized Installers to Deploy Cobalt Strike”.

**Last updated:** 2025-10-21

## What is CVE-2023-46747?

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

The record classifies CVE-2023-46747 under weakness class [CWE-288](https://cwe.mitre.org/data/definitions/288.html). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 1053 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 9.8 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **EPSS (FIRST):** 96.5% probability of exploitation in the next 30 days, higher than 99.8% of all scored CVEs
- **CISA KEV:** Listed since 2023-10-31, federal remediation deadline 2023-11-21 — used in known ransomware campaigns
- **Threadlinqs priority:** 10/10 — CISA lists it as used in ransomware, which Threadlinqs scores at the maximum
- **Published:** 2023-10-26, last modified 2025-10-21

## Is CVE-2023-46747 being exploited?

CISA added CVE-2023-46747 to the Known Exploited Vulnerabilities catalog on 2023-10-31, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2023-11-21 under BOD 22-01. CISA flags the vulnerability as one used in known ransomware campaigns. Weaponised exploit code for CVE-2023-46747 is publicly available. 10 public proof-of-concept repositories are tracked for this identifier. A ProjectDiscovery Nuclei detection template exists (`http/cves/2023/CVE-2023-46747.yaml`). It currently carries a trending score of 45 in the Threadlinqs vulnerability feed.

- [W01fh4cker/CVE-2023-46747-RCE](https://github.com/W01fh4cker/CVE-2023-46747-RCE) (github)
- [nvansluis/test_cve-2023-46747](https://github.com/nvansluis/test_cve-2023-46747) (github)
- [Razzlemouse/F5-BIG-IP-SmuggleShell-CVE-2023-46747-Exploit](https://github.com/Razzlemouse/F5-BIG-IP-SmuggleShell-CVE-2023-46747-Exploit) (github)
- [RevoltSecurities/CVE-2023-46747](https://github.com/RevoltSecurities/CVE-2023-46747) (github)
- [maniak-academy/Mitigate-CVE-2023-46747](https://github.com/maniak-academy/Mitigate-CVE-2023-46747) (github)
- [vidura2/cve-2023-46747](https://github.com/vidura2/cve-2023-46747) (github)
- [fu2x2000/CVE-2023-46747](https://github.com/fu2x2000/CVE-2023-46747) (github)
- [rainbowhatrkn/CVE-2023-46747-RCE](https://github.com/rainbowhatrkn/CVE-2023-46747-RCE) (github)

## Affected products and versions

- **F5**: BIG-IP

## How to fix CVE-2023-46747

Vendor advisory: [https://my.f5.com/manage/s/article/K000137353](https://my.f5.com/manage/s/article/K000137353). Because CVE-2023-46747 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2023-11-21. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

## Threat activity tracking CVE-2023-46747

3 tracked threats in the Threadlinqs corpus reference CVE-2023-46747, either in the campaign’s CVE list or as an indicator on the campaign record.

- [StrikeShark Campaign: SharkLoader Dropper Targets Governments and Software Developers via N-Day Exploits and Trojanized Installers to Deploy Cobalt Strike](https://intel.threadlinqs.com/threat/TL-2026-1237) — HIGH · 2026-07-11
- [SharkLoader Malware Campaign Uses Fake Cisco AnyConnect and Google Update Installers to Deploy Cobalt Strike](https://intel.threadlinqs.com/threat/TL-2026-1101) — HIGH · 2026-07-03
- [SharkLoader Malware Deploys Cobalt Strike Beacon via DLL Side-Loading in StrikeShark Campaign](https://intel.threadlinqs.com/threat/TL-2026-0961) — HIGH · 2026-06-27

## Sources

Enriched from CVE.org, NVD, FIRST EPSS, CISA KEV, GitHub Security Advisories, public proof-of-concept repositories, ProjectDiscovery Nuclei. Last verified by Threadlinqs on 2026-06-28. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [my.f5.com — vendor advisory](https://my.f5.com/manage/s/article/K000137353)

**Other references**

- [packetstormsecurity.com](http://packetstormsecurity.com/files/175673/F5-BIG-IP-TMUI-AJP-Smuggling-Remote-Command-Execution.html)
- [secpod.com](https://www.secpod.com/blog/f5-issues-warning-big-ip-vulnerability-used-in-active-exploit-chain/)

Canonical: https://intel.threadlinqs.com/cve/CVE-2023-46747
Full detection coverage and IOCs for threats exploiting CVE-2023-46747 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp
