CVE-2023-43901 Missing authorization in n/a

Medium 5.4 Published 14 Nov 2023 Updated 28 Aug 2026

Unauthenticated attackers can modify usernames and privileges in the AdHoc User creation form, leading to privilege escalation and data modification.

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-2023-43901?

CVE-2023-43901 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

Incorrect access control in the AdHoc User creation form of eMudhra emSigner v2.8.7 allows unauthenticated attackers to arbitrarily modify usernames and privileges by using the email address of a registered user.

Weakness: CWE-863

Which versions are affected by CVE-2023-43901?

It affects 1 product.

Products include Emudhra Emsigner.

How do I fix CVE-2023-43901?

No fix has been published for CVE-2023-43901 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-2023-43901 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-43901 exists.

Sources

Also known as GHSA-cjm4-2f5j-r6xx.