High severity7.5NVD Advisory· Published Mar 10, 2021· Updated Jul 9, 2026
CVE-2020-29238
CVE-2020-29238
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:expressvpn:expressvpn:1.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:expressvpn:expressvpn:1.0:*:*:*:*:*:*:*
- (no CPE)
- Range: 1
Patches
Vulnerability mechanics
References
3- ja1sharma.com/blog/2021/CVE-2020-29238/nvdThird Party Advisory
- packetstormsecurity.com/files/162152/ExpressVPN-VPN-Router-1.0-Integer-Overflow.htmlnvdThird Party AdvisoryVDB Entry
- 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-servernvdThird Party Advisory
News mentions
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