CVE-2020-29238 — HIGH (7.5)

Vulnerability Description

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 Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Expressvpn	Expressvpn	1.0

Related Weaknesses (CWE)

CWE-190

References

http://expressvpn.comVendor Advisory
http://ja1sharma.com/blog/2021/CVE-2020-29238/Third Party Advisory
http://packetstormsecurity.com/files/162152/ExpressVPN-VPN-Router-1.0-Integer-OvThird Party AdvisoryVDB Entry
https://bugcrowd.com/disclosures/4e8d5325-8e49-4ea3-962a-a088bbb73a3f/expressvpnThird Party Advisory
http://expressvpn.comVendor Advisory
http://ja1sharma.com/blog/2021/CVE-2020-29238/Third Party Advisory
http://packetstormsecurity.com/files/162152/ExpressVPN-VPN-Router-1.0-Integer-OvThird Party AdvisoryVDB Entry
https://bugcrowd.com/disclosures/4e8d5325-8e49-4ea3-962a-a088bbb73a3f/expressvpnThird Party Advisory

FAQ

What is CVE-2020-29238?

CVE-2020-29238 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...

How severe is CVE-2020-29238?

CVE-2020-29238 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-29238?

Check the references section above for vendor advisories and patch information. Affected products include: Expressvpn Expressvpn.