HTTP request smuggling vulnerability in Apache HTTP Server 2.4.52 and earlier
CVE-2022-22720

9.8CRITICAL

Key Information:

Vendor

Apache
Status
Apache Http Server
Vendor
CVE Published:
14 March 2022

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 33%

What is CVE-2022-22720?

Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the request body, exposing the server to HTTP Request Smuggling

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Affected Version(s)

Apache HTTP Server Apache HTTP Server 2.4 <= 2.4.52

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2022-22720
Created by Benasin

References

https://httpd.apache.org/security/vulnerabilities_24.html
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2022/03/14/3
mailing-listx_refsource_MLIST
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA

EPSS Score

33% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

James Kettle <james.kettle portswigger.net>
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