CVE-2021-26639 WISA Smart Wing CMS File Download Vulnerability
Remote attackers can leak all server files without authentication due to lack of input validation in WISA Smart Wing CMS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-26639?
CVE-2021-26639 is a high-severity path traversal vulnerability in WISA corp. Smart Wing CMS, published on 17 Aug 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
This vulnerability is caused by the lack of validation of input values for specific functions if WISA Smart Wing CMS. Remote attackers can use this vulnerability to leak all files in the server without logging in system.
Which versions are affected by CVE-2021-26639?
It affects 1 product.
Products include Wisa Smart Wing Cms.
How do I fix CVE-2021-26639?
No fix has been published for CVE-2021-26639 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-2021-26639 being exploited?
There is no known exploitation of CVE-2021-26639 in the wild and no public exploit code.
Other vulnerabilities in WISA corp. Smart Wing CMS
Sources
Also known as GHSA-6fq5-356h-9jrc.