Is CVE-2021-33543 actively exploited?

No active exploitation of CVE-2021-33543 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-33543 be exploited remotely?

Yes. CVE-2021-33543 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-33543?

CVE-2021-33543 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-33543

CRITICAL

CVE-2021-33543

CWE-306Published: September 13, 2021· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Multiple camera devices by UDP Technology, Geutebrück and other vendors allow unauthenticated remote access to sensitive files due to default user authentication settings. This can lead to manipulation of the device and denial of service.

NVD Source

Technical Analysis

CVE-2021-33543 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), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

geutebrueck32 product(s)

g-cam ebc-2110 firmwareg-cam ebc-2110g-cam ebc-2111 firmwareg-cam ebc-2111g-cam efd-2241 firmwareg-cam efd-2241g-cam efd-2250 firmwareg-cam efd-2250g-cam ethc-2230 firmwareg-cam ethc-2230g-cam ethc-2239 firmwareg-cam ethc-2239+20

Source: NVD CPE · 64 total CPE entries