HOMEVULNERABILITIESCVE-2021-40150
HIGH

CVE-2021-40150

CWE-552Published: July 17, 2022· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

The web server of the E1 Zoom camera through 3.0.0.716 discloses its configuration via the /conf/ directory that is mapped to a publicly accessible path. In this way an attacker can download the entire NGINX/FastCGI configurations by querying the /conf/nginx.conf or /conf/fastcgi.conf URI.

NVD Source

Technical Analysis

CVE-2021-40150 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

reolink2 product(s)
e1 zoom firmwaree1 zoom
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2021-40150
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-552
CISA KEVNo
Affected1 vendor(s)
PublishedJul 17, 2022

Related CVEs (CWE-552)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-40150 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.