CVE Vulnerability

CVE-2020-29238

An integer buffer overflow in the Nginx webserver of ExpressVPN Router version 1 allows remote attackers to obtain sensitive information when the server running as reverse proxy via specially crafted request.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
http://expressvpn.com Vendor Advisory
https://bugcrowd.com/disclosures/4e8d5325-8e49-4ea3-962a-a088bbb73a3f/expressvpn-router-integer-buffer-overflow-server-info-disclosure-when-router-s-nginx-server-used-as-reverse-proxy-server Third Party Advisory
http://ja1sharma.com/blog/2021/CVE-2020-29238/ Third Party Advisory
http://packetstormsecurity.com/files/162152/ExpressVPN-VPN-Router-1.0-Integer-Overflow.html Third Party Advisory VDB Entry
Configurations

Configuration 1

cpe:2.3:a:expressvpn:expressvpn:1.0:*:*:*:*:*:*:*
Information

Published : 2021-03-10 03:15

Updated : 2022-07-22 12:34

NVD link : CVE-2020-29238

Mitre link : CVE-2020-29238

Products Affected
No products.
CWE
CWE-190