CVE-2020-29238

moderate-risk
Published 2021-03-10

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.

Do I need to act?

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49.6% chance of exploitation in next 30 days
EPSS score — higher than 50% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
49760
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Expressvpn

References (8)

Vendor Advisory http://expressvpn.com
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-Ov...
Third Party Advisory https://bugcrowd.com/disclosures/4e8d5325-8e49-4ea3-962a-a088bbb73a3f/expressvpn...
Vendor Advisory http://expressvpn.com
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-Ov...
Third Party Advisory https://bugcrowd.com/disclosures/4e8d5325-8e49-4ea3-962a-a088bbb73a3f/expressvpn...
49
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 18/34 · Moderate
Exposure 5/34 · Minimal