CVE-2023-43900 Missing authorization in n/a

Medium 6.5 Published 14 Nov 2023 Updated 28 Aug 2026

Authenticated attackers can view sensitive data of other users by manipulating document ID parameters in eMudhra emSigner.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-43900?

CVE-2023-43900 is a medium-severity missing authorization vulnerability in n/a, published on 14 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Insecure Direct Object References (IDOR) in eMudhra emSigner v2.8.7 allow authenticated attackers to gain unauthorized access to application content and view sensitive data of other users via manipulation of the documentID and EncryptedDocumentId parameters.

Weakness: CWE-639

Which versions are affected by CVE-2023-43900?

It affects 1 product.

Products include Emudhra Emsigner.

How do I fix CVE-2023-43900?

No fix has been published for CVE-2023-43900 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-43900 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-43900 exists.

Sources

Also known as GHSA-r59x-8xcr-cc6w.