CVE-2021-45468
First published: Fri Jan 14 2022(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Imperva SecureSphere WAF | <2021-12-23 |
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Frequently Asked Questions
What is the severity of CVE-2021-45468?
CVE-2021-45468 is classified as a critical vulnerability due to its potential for allowing remote unauthenticated attackers to bypass security controls.
How do I fix CVE-2021-45468?
To remediate CVE-2021-45468, update your Imperva Web Application Firewall to a version released after December 23, 2021.
What impact does CVE-2021-45468 have on my web applications?
CVE-2021-45468 allows attackers to send malicious HTTP POST requests, potentially compromising the security of your web applications.
Can CVE-2021-45468 be exploited without authentication?
Yes, CVE-2021-45468 can be exploited by remote unauthenticated attackers, making it particularly dangerous.
Which versions of Imperva Web Application Firewall are affected by CVE-2021-45468?
CVE-2021-45468 affects all versions of Imperva Web Application Firewall prior to December 23, 2021.
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- canonical/imperva securesphere waf