Cyber Resilience

CVE-2020-29238

HighPublic PoC

Published: 10 March 2021

Published
10 March 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.4960 97.9th percentile
Risk Priority 45 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-29238 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Expressvpn Expressvpn. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 2.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-190

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

expressvpn
expressvpn
1.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References