CVEvulnerability
CVE-2020-29238
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-03-10
- Last modified
- 2026-07-09
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-190
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.
Affected configurations
• expressvpn expressvpn 1.0
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- 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
- 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
- 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