CVE-2021-22960
Apache LL HTTP Chunked Request Smuggling Vulnerability
Description
The parse function in llhttp < 2.1.4 and < 6.0.6. ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling (HRS) under certain conditions.
INFO
Published Date :
Nov. 3, 2021, 8:15 p.m.
Last Modified :
Jan. 20, 2023, 2:04 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.5
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-22960
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.
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-2021-22960.
| URL | Resource |
|---|---|
| https://hackerone.com/reports/1238099 | Exploit Issue Tracking Third Party Advisory |
| https://www.debian.org/security/2022/dsa-5170 | Third Party Advisory |
| https://www.oracle.com/security-alerts/cpujan2022.html | Patch Third Party Advisory |
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-22960 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-22960 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 [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Jan. 20, 2023
Action Type Old Value New Value Changed Reference Type https://www.debian.org/security/2022/dsa-5170 No Types Assigned https://www.debian.org/security/2022/dsa-5170 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jun. 28, 2022
Action Type Old Value New Value Added Reference https://www.debian.org/security/2022/dsa-5170 [No Types Assigned] -
Modified Analysis by [email protected]
Mar. 29, 2022
Action Type Old Value New Value Changed Reference Type https://www.oracle.com/security-alerts/cpujan2022.html No Types Assigned https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:oracle:graalvm:20.3.4:*:*:*:enterprise:*:*:* *cpe:2.3:a:oracle:graalvm:21.3.0:*:*:*:enterprise:*:*:* -
CVE Modified by [email protected]
Feb. 07, 2022
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpujan2022.html [No Types Assigned] -
Initial Analysis by [email protected]
Nov. 05, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Changed Reference Type https://hackerone.com/reports/1238099 No Types Assigned https://hackerone.com/reports/1238099 Exploit, Issue Tracking, Third Party Advisory Added CWE NIST CWE-444 Added CPE Configuration OR *cpe:2.3:a:llhttp:llhttp:*:*:*:*:*:node.js:*:* versions up to (excluding) 2.1.4 *cpe:2.3:a:llhttp:llhttp:*:*:*:*:*:node.js:*:* versions from (including) 3.0.0 up to (excluding) 6.0.6
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-22960 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-2021-22960
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.69 }} 0.20%
score
0.80639
percentile