CVE-2024-3778 is a high severity vulnerability (CVSS 7.2) in Ai3 QbiBot. The upload feature does not restrict file types, so a remote attacker with administrator privilege can upload a dangerous file containing malicious code. The record cites a TWCERT notice.
What's affected
- Ai3 QbiBot. The record's product data shows no specific version.
Severity in the record: High, CVSS 7.2, vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. In plain terms: over the network, high privileges required, no user interaction. Weakness class: CWE-434, unrestricted upload of a file with a dangerous type.
Fixed version: The record cites a TWCERT notice. Check it for the fixed release.
The record's KEV flag is false, so this CVE is not in the CISA Known Exploited Vulnerabilities catalog, and no source reviewed here reports exploitation in the wild.
How to check if you're exposed
- Inventory where Ai3 QbiBot is deployed, including test and forgotten servers.
- Search your servers and container images for the product name and compare the version against the affected list above.
- If you cannot confirm the version, treat the installation as exposed until the vendor says otherwise.
What to do now
- Apply the vendor fix when it is available.
- Restrict who can reach the upload feature, and remove it from internet exposure if you do not need it.
- Make sure the upload directory is not executable by the web server.
- Review recent uploads for files with unexpected types or extensions.
- Record the decision in your tracker with the CVE id and the date, so the next audit can see what you did about CVE-2024-3778.
Why it matters
Upload handlers need to decide which file types are acceptable, where the file is stored, and whether the web server may execute it. When any of those checks is missing, an uploaded file can end up somewhere it should never be, or be handled as code. Good designs allow only the types they need, rename files on the server, and store them outside the web root.
This one needs administrator privilege, which narrows who can use it. It becomes more serious when combined with the reset flaw covered in CVE-2024-3777, which the same TWCERT notice lists, because a taken over administrator account can then reach the upload feature. Fix both together.
Look up the entry on Gold to see how it connects to other advisories, and use reachability analysis to separate the components that actually call vulnerable code from the ones that merely sit in your inventory.
Quick check
Why is this scored High when it needs an administrator?
The record gives 7.2. Administrator uploads can lead to code running on the server, and administrator accounts can be reached through the reset flaw.
Is CVE-2024-3778 in the CISA KEV catalog?
No. The record's KEV flag is false.
Sources
These links come from the NVD record. They were not retrievable when this post was written, so the details above rest on the record text. Check them before you act.
Last reviewed: 19 October 2026.
