CVE-2025-4762 Insecure Direct Object Reference (IDOR) vulnerability in eSignaViewer
Unauthenticated attackers can access arbitrary files in the eSigna document system by manipulating file paths and object identifiers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-4762?
CVE-2025-4762 is a low-severity path traversal vulnerability in Lleidanet PKI eSigna, published on 15 May 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Insecure Direct Object Reference (IDOR) vulnerability in the eSignaViewer component in eSigna product versions 1.0 to 1.5 on all platforms allow an unauthenticated attacker to access arbitrary files in the document system via manipulation of file paths and object identifiers.
Weakness: CWE-20
Which versions are affected by CVE-2025-4762?
How do I fix CVE-2025-4762?
No fix has been published for CVE-2025-4762 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2025-4762 being exploited?
There is no known exploitation of CVE-2025-4762 in the wild and no public exploit code.
Sources
Also known as GHSA-8vfv-f6xm-p6cm.