CVE-2020-29238: Integer Overflow
First published: Wed Mar 10 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ExpressVPN ExpressVPN | =1.0 |
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Reference Links
- http://expressvpn.com
- http://ja1sharma.com/blog/2021/CVE-2020-29238/
- http://packetstormsecurity.com/files/162152/ExpressVPN-VPN-Router-1.0-Integer-Overflow.html
- 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
Frequently Asked Questions
What is CVE-2020-29238?
CVE-2020-29238 is an integer buffer overflow vulnerability in the Nginx webserver of ExpressVPN Router version 1.
How does CVE-2020-29238 affect ExpressVPN Router version 1?
CVE-2020-29238 allows remote attackers to obtain sensitive information when the server is running as a reverse proxy via specially crafted requests.
What is the severity of CVE-2020-29238?
CVE-2020-29238 has a severity rating of high, with a CVSS score of 7.5.
How can I fix CVE-2020-29238?
To fix CVE-2020-29238, it is recommended to update ExpressVPN Router to a version that has addressed the vulnerability.
Are there any references for CVE-2020-29238?
Yes, you can find more information about CVE-2020-29238 at the following references: [expressvpn.com](http://expressvpn.com), [ja1sharma.com](http://ja1sharma.com/blog/2021/CVE-2020-29238/), [packetstormsecurity.com](http://packetstormsecurity.com/files/162152/ExpressVPN-VPN-Router-1.0-Integer-Overflow.html).
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- vendor/expressvpn
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