CVE-2023-54402 iDocView SSRF via /doc/upload Endpoint Hardcoded Token
Remote attackers can exploit a hardcoded token in iDocView to perform SSRF, reading local files and accessing internal network services.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-54402?
CVE-2023-54402 is a high-severity server-side request forgery vulnerability in iDocView, published on 30 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
iDocView contains a server-side request forgery vulnerability in its /doc/upload endpoint that allows remote unauthenticated attackers to fetch arbitrary URLs by supplying a hardcoded default token value (testtoken) to bypass authentication. Attackers can exploit the unrestricted URL scheme handling, including file:// URIs, to read arbitrary local files such as operating-system and application configuration files, and to reach internal network hosts and services not otherwise accessible. Exploitation evidence was first observed by the Shadowserver Foundation on 2024-03-26.
Weakness: CWE-918
Which versions are affected by CVE-2023-54402?
How do I fix CVE-2023-54402?
No fix has been published for CVE-2023-54402 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2023-54402 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-54402 exists.
Sources
Also known as GHSA-2xg3-76qw-g9mm.