CVE-2023-46747
F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 21 November 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 96.52% probability · 100th percentile
- CISA KEV
- Listed 31 October 2023 · due 21 November 2023 · used in ransomware campaigns
- Weakness
- CWE-288, CWE-306
- Affected
- f5/big-ip access policy manager · f5/big-ip advanced firewall manager · f5/big-ip advanced web application firewall · f5/big-ip carrier-grade nat · f5/big-ip ddos hybrid defender · f5/big-ip ssl orchestrator · f5/big-ip domain name system · f5/big-ip local traffic manager · f5/big-ip policy enforcement manager · f5/big-ip automation toolchain · f5/big-ip container ingress services · f5/big-ip application security manager · f5/big-ip analytics · f5/big-ip application acceleration manager · f5/big-ip application visibility and reporting · f5/big-ip fraud protection services · f5/big-ip global traffic manager · f5/big-ip link controller · f5/big-ip webaccelerator · f5/big-ip websafe
- Source
- f5sirt@f5.com
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://my.f5.com/manage/s/article/K000137353; https://nvd.nist.gov/vuln/detail/CVE-2023-46747
References
- http://packetstormsecurity.com/files/175673/F5-BIG-IP-TMUI-AJP-Smuggling-Remote-Command-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://my.f5.com/manage/s/article/K000137353Vendor Advisory
- https://www.secpod.com/blog/f5-issues-warning-big-ip-vulnerability-used-in-active-exploit-chain/Exploit, Third Party Advisory
- http://packetstormsecurity.com/files/175673/F5-BIG-IP-TMUI-AJP-Smuggling-Remote-Command-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://my.f5.com/manage/s/article/K000137353Vendor Advisory
- https://www.secpod.com/blog/f5-issues-warning-big-ip-vulnerability-used-in-active-exploit-chain/Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-46747US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.