CVE-2021-40894 Denial of service in n/a
An attacker can cause a denial of service in applications using underscore-99xp by triggering a Regular Expression Denial of Service in the deepValueSearch function.
- 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-2021-40894?
CVE-2021-40894 is a high-severity denial of service vulnerability in n/a, published on 24 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in underscore-99xp v1.7.2 when the deepValueSearch function is called.
Weakness: CWE-1333
Which versions are affected by CVE-2021-40894?
It affects 1 product.
Products include Underscore-99xp Project Underscore-99xp.
How do I fix CVE-2021-40894?
No fix has been published for CVE-2021-40894 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-2021-40894 being exploited?
There is no known exploitation of CVE-2021-40894 in the wild and no public exploit code.
Sources
Also known as GHSA-2wj2-6jqv-cwpp.