CVEdetails.com the ultimate security vulnerability data source
(e.g.: CVE-2009-1234 or 2010-1234 or 20101234)
Log In   Register
  Take a third party risk management course for FREE
Vulnerability Feeds & WidgetsNew   

Vulnerability Details : CVE-2021-22959

The parser in accepts requests with a space (SP) right after the header name before the colon. This can lead to HTTP Request Smuggling (HRS) in llhttp < v2.1.4 and < v6.0.6.
Publish Date : 2021-11-15 Last Update Date : 2022-12-09
Search Twitter   Search YouTube   Search Google

- CVSS Scores & Vulnerability Types

CVSS Score
6.4
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 444

- Related OVAL Definitions

Title Definition Id Class Family
RHEA-2022:5139: nodejs:12 bug fix and enhancement update (Moderate) oval:com.redhat.rhea:def:20225139 unix
RHSA-2021:5171: nodejs:16 security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20215171 unix
RHSA-2022:0350: nodejs:14 security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20220350 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2021-22959

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 11.0 * * * Version Details Vulnerabilities
2 Application Llhttp Llhttp * * * * Version Details Vulnerabilities
3 Application Oracle Graalvm 20.3.4 * * * Version Details Vulnerabilities
4 Application Oracle Graalvm 21.3.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 1
Llhttp Llhttp 1
Oracle Graalvm 2

- References For CVE-2021-22959

https://www.oracle.com/security-alerts/cpujan2022.html
https://www.debian.org/security/2022/dsa-5170
DEBIAN DSA-5170
https://hackerone.com/reports/1238709

- Metasploit Modules Related To CVE-2021-22959

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site. OVAL is a registered trademark of The MITRE Corporation and the authoritative source of OVAL content is MITRE's OVAL web site.
Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.