CVE-2020-7521 Path traversal in SFAPV9601 - APC Easy UPS On-Line Software V2.0 and earlier
Attackers can upload executable files to arbitrary directories via path traversal in the FileUploadServlet, 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-2020-7521?
CVE-2020-7521 is a critical path traversal vulnerability in SFAPV9601 - APC Easy UPS On-Line Software V2.0 and earlier, published on 31 Aug 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability exists in SFAPV9601 - APC Easy UPS On-Line Software (V2.0 and earlier) when accessing a vulnerable method of `FileUploadServlet` which may lead to uploading executable files to non-specified directories.
Weakness: CWE-22
Which versions are affected by CVE-2020-7521?
It affects 1 product.
Products include Schneider-Electric Apc Easy Ups Online Software.
How do I fix CVE-2020-7521?
No fix has been published for CVE-2020-7521 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-2020-7521 being exploited?
There is no known exploitation of CVE-2020-7521 in the wild and no public exploit code.
Other vulnerabilities in SFAPV9601 - APC Easy UPS On-Line Software V2.0 and earlier
Sources
Also known as GHSA-2v88-f22x-fw8j.