CVE-2025-40645 Exposure of sensitive information in Viday
An unauthenticated attacker can obtain sensitive customer information by sending a crafted HTTP GET request to the clients API endpoint.
- 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-2025-40645?
CVE-2025-40645 is a high-severity vulnerability in ViDay, published on 2 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Exposure of sensitive information in Viday. This vulnerability could allow an unauthenticated attacker to obtain sensitive information about customers by sending an HTTP GET request to “/api/reserva/web/clients” using the “phone” parameter.
Weakness: CWE-200
Which versions are affected by CVE-2025-40645?
How do I fix CVE-2025-40645?
No fix has been published for CVE-2025-40645 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-40645 being exploited?
There is no known exploitation of CVE-2025-40645 in the wild and no public exploit code.
Sources
Also known as GHSA-h2hv-xmr8-g377.