CVE-2023-33386 File upload in n/a

Critical 9.8 Published 5 Jun 2023 Updated 8 Jan 2025

Attackers can upload arbitrary files via the background attachment interface, potentially leading to remote code execution.

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-2023-33386?

CVE-2023-33386 is a critical vulnerability in n/a, published on 5 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

MarsCTF 1.2.1 has an arbitrary file upload vulnerability in the interface for uploading attachments in the background.

Weakness: CWE-434

Which versions are affected by CVE-2023-33386?

It affects 1 product.

Products include Marsctf Project Marsctf.

How do I fix CVE-2023-33386?

No fix has been published for CVE-2023-33386 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-33386 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-33386 exists.

Sources

Also known as GHSA-mwjp-rq22-3xm5.