CVE-2020-8201

Node.Js vulnerability

CVSS

7.4

EPSS

5.1%

EPSS pct

91th

Exploited

No known

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.

Affected vendor

Nodejs

Affected product

Node.Js

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness type (CWE)

CWE-444 — HTTP Request Smuggling

Published

2020-09-18

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity.

Its EPSS score of 5.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2020-8201

Confirm whether Nodejs Node.Js is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2020-8201.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-8201

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