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CVE-2021-31402

Date: April 15, 2021

The dio package 4.0.0 for Dart allows CRLF injection if the attacker controls the HTTP method string, a different vulnerability than CVE-2020-35669.

Language: D

Severity Score

7.5

Related Resources (8)

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-31402

Url: https://github.com/cfug/dio

Url: https://osv.dev/GHSA-jwpw-q68h-r678

Url: https://github.com/cfug/dio/issues/1752

Url: https://github.com/flutterchina/dio/issues/1130

Url: https://github.com/cfug/dio/security/advisories/GHSA-9324-jv53-9cc8

Url: https://github.com/cfug/dio/commit/927f79e93ba39f3c3a12c190624a55653d577984

Url: https://www.mend.io/vulnerability-database/CVE-2021-31402

Severity Score

7.5

Weakness Type (CWE)

Improper Neutralization of CRLF Sequences ('CRLF Injection')

CWE-93

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-74

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	NONE
Availability (A):	NONE

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	NONE
Additional information:

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