CVE-2020-29238

HIGH

CVSS v3.1: 7.5 · EPSS: 0.1665 (96.6 percentile)

EPSS highNetworkNo privilegesNo user interactionInteger Overflow

Source data as of:

At a glance

Severity
HIGH
CVSS
7.5 v3.1 · NVD
EPSS
0.1665 (96.6 percentile) · FIRST.org
CISA KEV
No
Type
Integer Overflow · NVD CWE
Attack conditions (CVSS vector)
NetworkNo privilegesNo user interaction · Source: NVD Vector
Affected vendors
expressvpn
Published
2021-03-10 · Modified: 2026-07-05
References
Jump to references (4)

CVSS / EPSS / KEV

CVSS v3.1 7.5 / 10 HIGH Source: NVD
EPSS 0.1665 96.6 percentile Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

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.

Record details

CVE ID
CVE-2020-29238
CVSS (v3.1)
7.5 (HIGH)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitability subscore
3.9
Impact subscore
3.6
EPSS
0.1665 (96.6 percentile) — 2026-07-05
CISA KEV
No
Weakness (CWE)
CWE-190
Affected vendors
expressvpn
Affected configurations (CPE)
1
Published
2021-03-10
Modified
2026-07-05
Status
Modified

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.

Related records

Other records sharing a factual facet, for cross-reference. A descriptive neighbourhood — ordering does not imply priority and is not a recommendation.

Same weakness type (CWE)

CVE-2026-46331 HIGH CVSS 7.8 CVE-2022-25062 HIGH CVSS 7.5 CVE-2025-65865 HIGH CVSS 7.5

Published the same year

CVE-2020-22452 CRITICAL CVSS 9.8 CVE-2020-24193 CRITICAL CVSS 9.8 CVE-2020-24841 CRITICAL CVSS 9.8 CVE-2020-24913 CRITICAL CVSS 9.8
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