Vulnerability Report

CVE-2020-8201

Title: HTTP Desync Attacks in Node.js

HTTP Desync, Session Hijacking, Cookie Poisoning, Clickjacking

Proof Of Concept

No public PoC currently indexed for CVE-2020-8201.

CWE Category CWE-444
Published Date Sep 18, 2020
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 7.4 CVSS v3.1
Exploit Probability (EPSS)
0.63%

Vulnerability Summary

CVE-2020-8201: Node.js < 12.18.4 and < 14.11 can be exploited to perform HTTP desync attacks and deliver malicious payloads to unsuspecting users. The payloads can be crafted by an attacker to hijack user sessions, poison cookies, perform clickjacking, and a multitude of other attacks depending on the architecture of the underlying system. The attack was possible due to a bug in processing of carrier-return symbols in the HTTP header names.

Impacted Vendors

N
nodejs 1
J
joyent 1

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00011.html https://hackerone.com/reports/922597 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/ https://nodejs.org/en/blog/vulnerability/september-2020-security-releases/ https://security.gentoo.org/glsa/202101-07 https://security.netapp.com/advisory/ntap-20201009-0004/ http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00011.html https://hackerone.com/reports/922597 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/ https://nodejs.org/en/blog/vulnerability/september-2020-security-releases/ https://security.gentoo.org/glsa/202101-07 https://security.netapp.com/advisory/ntap-20201009-0004/
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.4
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.8
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-8201 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Stack

No specific products linked.