CVE-2021-45468 Security feature bypass in n/a
Remote attackers can bypass WAF security controls using gzip encoding to send malicious requests to protected web servers.
- 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-2021-45468?
CVE-2021-45468 is a critical vulnerability in n/a, published on 14 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Imperva Web Application Firewall (WAF) before 2021-12-23 allows remote unauthenticated attackers to use "Content-Encoding: gzip" to evade WAF security controls and send malicious HTTP POST requests to web servers behind the WAF.
Weakness: CWE-444
Which versions are affected by CVE-2021-45468?
It affects 1 product.
Products include Imperva Web Application Firewall.
How do I fix CVE-2021-45468?
No fix has been published for CVE-2021-45468 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-45468 being exploited?
There is no known exploitation of CVE-2021-45468 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-332m-xp6m-r638.