9.1
CRITICAL
CVE-2025-22871
Apache HTTP Server Chunked Encoding Request Smuggling
Description

The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.

INFO

Published Date :

April 8, 2025, 8:15 p.m.

Last Modified :

April 18, 2025, 3:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2025-22871 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2025-22871 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Golang go
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-22871.

URL Resource
https://go.dev/cl/652998
https://go.dev/issue/71988
https://groups.google.com/g/golang-announce/c/Y2uBTVKjBQk
https://pkg.go.dev/vuln/GO-2025-3563
http://www.openwall.com/lists/oss-security/2025/04/04/4

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

JavaScript TypeScript C

Updated: 1 week, 2 days ago
0 stars 0 fork 0 watcher
Born at : April 10, 2025, 4:04 p.m. This repo has been linked 2 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-22871 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-22871 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Apr. 18, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Apr. 08, 2025

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2025/04/04/4
  • New CVE Received by [email protected]

    Apr. 08, 2025

    Action Type Old Value New Value
    Added Description The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.
    Added Reference https://go.dev/cl/652998
    Added Reference https://go.dev/issue/71988
    Added Reference https://groups.google.com/g/golang-announce/c/Y2uBTVKjBQk
    Added Reference https://pkg.go.dev/vuln/GO-2025-3563
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-22871 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-22871 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
© cvefeed.io
Latest DB Update: Apr. 24, 2025 5:09