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 31%

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

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

31% 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>
.