CVE Vulnerability

CVE-2021-4070

Off-by-one Error in GitHub repository v2fly/v2ray-core prior to 4.44.0.

6.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

Scope

9.1 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://huntr.dev/bounties/8da19456-4d89-41ef-9781-a41efd6a1877 Exploit Patch
https://github.com/v2fly/v2ray-core/commit/c1af2bfd7aa59a4482aa7f6ec4b9208c1d350b5c Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:v2fly:v2ray-core:*:*:*:*:*:*:*:*
Information

Published : 2022-02-23 08:15

Updated : 2022-03-02 05:33

NVD link : CVE-2021-4070

Mitre link : CVE-2021-4070

Products Affected
No products.
CWE
CWE-193

Off-by-one Error