CVE-2023-24842 HGiga MailSherlock - Broken Access Control

Medium 5.3 Published 27 Mar 2023 Updated 19 Feb 2025

Unauthenticated attackers can access other users' emails by manipulating user and mail IDs in the URL.

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-2023-24842?

CVE-2023-24842 is a medium-severity missing authorization vulnerability in HGiga MailSherlock, published on 27 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HGiga MailSherlock has vulnerability of insufficient access control. An unauthenticated remote user can exploit this vulnerability to access partial content of another user’s mail by changing user ID and mail ID within URL.

Weakness: CWE-639

Which versions are affected by CVE-2023-24842?

It affects 1 product.

Products include Hgiga Oaklouds Mailsherlock.

How do I fix CVE-2023-24842?

No fix has been published for CVE-2023-24842 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-2023-24842 being exploited?

There is no known exploitation of CVE-2023-24842 in the wild and no public exploit code.

Sources

Also known as GHSA-775x-85h4-43cp.