CVE-2021-22949 Cross-site request forgery in https://github.com/concrete5/concrete5
An attacker can exploit a CSRF vulnerability in Concrete CMS to duplicate files, potentially exhausting disk space and causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-22949?
CVE-2021-22949 is a medium-severity vulnerability in Concretecms Concrete Cms, published on 23 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A CSRF in Concrete CMS version 8.5.5 and below allows an attacker to duplicate files which can lead to UI inconvenience, and exhaustion of disk space.Credit for discovery: "Solar Security CMS Research Team"
Weakness: CWE-352
Which versions are affected by CVE-2021-22949?
It affects 1 product.
Products include Concretecms Concrete Cms.
How do I fix CVE-2021-22949?
No fix has been published for CVE-2021-22949 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-22949 being exploited?
There is no known exploitation of CVE-2021-22949 in the wild and no public exploit code.
Other vulnerabilities in Concretecms Concrete Cms
- CVE-2023-48648 Concrete CMS allows unauthorized access because directories can be created with insecure permissions
- CVE-2022-21829 Code injection in concrete CMS
- CVE-2021-22958 Server-Side Request Forgery vulnerability in concrete5
- CVE-2021-40098 Path traversal in n/a
- CVE-2026-8134 Concrete CMS Vulnerable to Relative Path Traversal
Sources
Also known as GHSA-4cx3-gvx4-j3wg.