CVE-2021-45468
Quick assessment
Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Imperva SecureSphere是美国Imperva公司的一套高性能、集中式数据安全防护管理产品。该产品提供对不同的SecureSphere产品进行统一审核、报告和记录、可视化的安全状态和实时监控事件、管理和分配策略等功能。PWS是其中的一个用于通过HTTPS公开各种CLI实用程序的组件。 Imperva SecureSphere中存在安全漏洞，该漏洞允许未经身份验证的远程攻击者使用“Content-Encoding: gzip”来逃避 WAF 安全控制，并向 WAF 后面的 Web 服务器发送恶
Possible ATT&CK Techniques 3 AI
T1136 · Create Account T1555.002 · Securityd Memory T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-45468
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Imperva SecureSphere 环境问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Imperva SecureSphere是美国Imperva公司的一套高性能、集中式数据安全防护管理产品。该产品提供对不同的SecureSphere产品进行统一审核、报告和记录、可视化的安全状态和实时监控事件、管理和分配策略等功能。PWS是其中的一个用于通过HTTPS公开各种CLI实用程序的组件。 Imperva SecureSphere中存在安全漏洞，该漏洞允许未经身份验证的远程攻击者使用“Content-Encoding: gzip”来逃避 WAF 安全控制，并向 WAF 后面的 Web 服务器发送恶
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-45468
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Exploit for CVE-2021-45468, an Imperva WAF bypass. | https://github.com/0xhaggis/Imperva_gzip_bypass | POC Details |
AI-Generated POC
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No public POC found.
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Security Blog Posts for CVE-2021-45468 (1)
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https://bishopfox.com/blog/imperva-eliminates-critical-exposure x_refsource_MISC
Same Patch Batch · n/a · 2022-01-14 · 61 CVEs total
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| CVE-2021-39680 | Google Android 信息泄露漏洞 | |
| CVE-2021-39679 | Google Android 资源管理错误漏洞 | |
| CVE-2021-39678 | Google Android 安全漏洞 | |
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Showing top 20 of 61 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-45468
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