CVE-2021-33828 File upload in n/a
Attackers can upload malicious files to public shares in ownCloud because the antivirus plugin fails to delete them upon detection.
- 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-2021-33828?
CVE-2021-33828 is a high-severity vulnerability in n/a, published on 15 Jan 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The files_antivirus component before 1.0.0 for ownCloud mishandles the protection mechanism by which malicious files (that have been uploaded to a public share) are supposed to be deleted upon detection.
Weakness: CWE-434
Which versions are affected by CVE-2021-33828?
It affects 1 product.
Products include Owncloud Files Antivirus.
How do I fix CVE-2021-33828?
No fix has been published for CVE-2021-33828 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-33828 being exploited?
There is no known exploitation of CVE-2021-33828 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-jx89-9m5w-hcfc.