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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

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

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

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

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Configurations

Configuration 1 (hide)

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

Information

Published : 2021-03-09 19:15

Updated : 2022-07-22 05:34

NVD link : CVE-2020-29238

Mitre link : CVE-2020-29238

JSON object : View

CWE

CWE-190

Integer Overflow or Wraparound

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Products Affected

expressvpn

expressvpn

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