CVE-2021-28042 Path traversal in n/a
Attackers can achieve remote code execution via directory traversal in Deutsche Post Mailoptimizer using crafted ZIP archives.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-28042?
CVE-2021-28042 is a high-severity path traversal vulnerability in n/a, published on 5 Mar 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Deutsche Post Mailoptimizer 4.3 before 2020-11-09 allows Directory Traversal via a crafted ZIP archive to the Upload feature or the MO Connect component. This can lead to remote code execution.
Weakness: CWE-22
Which versions are affected by CVE-2021-28042?
It affects 1 product.
Products include Deutschepost Mailoptimizer.
How do I fix CVE-2021-28042?
No fix has been published for CVE-2021-28042 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-28042 being exploited?
There is no known exploitation of CVE-2021-28042 in the wild and no public exploit code.
Sources
Also known as GHSA-g95r-pfvg-gjpj.