CVE-2021-37253 Denial of service in n/a
Attackers can cause denial of service in M-Files Web by sending crafted HTTP Range headers, though the vulnerability is disputed as a web server responsibility.
- 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-2021-37253?
CVE-2021-37253 is a high-severity denial of service vulnerability in n/a, published on 5 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
M-Files Web before 20.10.9524.1 allows a denial of service via overlapping ranges (in HTTP requests with crafted Range or Request-Range headers). NOTE: this is disputed because the range behavior is the responsibility of the web server, not the responsibility of the individual web application
Weakness: CWE-444
Which versions are affected by CVE-2021-37253?
It affects 1 product.
Products include M-Files M-Files Web.
How do I fix CVE-2021-37253?
No fix has been published for CVE-2021-37253 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-37253 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-37253 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-gpcr-2fv6-73fj.