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CVE-2021-33551· NVD / CVE Program· CNA CERTVDE

UDP Technology/Geutebrück camera devices: Command injection in environment.lang parameter leading to RCE

Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to command injection, which may allow an attacker to remotely execute arbitrary code.

HighCVSS 7.2 · v3.1—Weaponized No fix recorded
Published
Sep 13, 2021
Updated
Jun 16, 2026
EPSS
48.8% · 99th percentile
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Report tools

JSON

Action score

43

Plan

Add it to your regular patch cycle.

CVSS
28 / 40 · 7.2 / 10
CISA KEV
0 / 30 · Not listed
EPSS
15 / 30 · 48.8%

CNA vs NVD score

NVD
7.2
CNA · CERTVDE
7.2
agree

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

VendorProduct
geutebrueckg-cam ebc-2110 firmware
geutebrueckg-cam ebc-2110
geutebrueckg-cam ebc-2111 firmware
geutebrueckg-cam ebc-2111
geutebrueckg-cam efd-2241 firmware
geutebrueckg-cam efd-2241
geutebrueckg-cam efd-2250 firmware
geutebrueckg-cam efd-2250
geutebrueckg-cam ethc-2230 firmware
geutebrueckg-cam ethc-2230
geutebrueckg-cam ethc-2239 firmware
geutebrueckg-cam ethc-2239

and 20 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • geutebrueck g-cam ebc-2110 firmwareup to 1.12.0.27 inclusive
  • geutebrueck g-cam ebc-2110 firmware1.12.13.2
  • geutebrueck g-cam ebc-2110 firmware1.12.14.5
  • geutebrueck g-cam ebc-2111 firmwareup to 1.12.0.27 inclusive
  • geutebrueck g-cam ebc-2111 firmware1.12.13.2
  • geutebrueck g-cam ebc-2111 firmware1.12.14.5
  • geutebrueck g-cam ebc-2112 firmwareup to 1.12.0.27 inclusive
  • geutebrueck g-cam ebc-2112 firmware1.12.13.2
  • geutebrueck g-cam ebc-2112 firmware1.12.14.5
  • geutebrueck g-cam efd-2241 firmwareup to 1.12.0.27 inclusive
  • geutebrueck g-cam efd-2241 firmware1.12.13.2
  • geutebrueck g-cam efd-2241 firmware1.12.14.5
  • geutebrueck g-cam efd-2250 firmwareup to 1.12.0.27 inclusive
  • geutebrueck g-cam efd-2250 firmware1.12.13.2
  • geutebrueck g-cam efd-2250 firmware1.12.14.5
  • geutebrueck g-cam efd-2251 firmwareup to 1.12.0.27 inclusive
  • geutebrueck g-cam efd-2251 firmware1.12.13.2
  • geutebrueck g-cam efd-2251 firmware1.12.14.5
  • geutebrueck g-cam ethc-2230 firmwareup to 1.12.0.27 inclusive
  • geutebrueck g-cam ethc-2230 firmware1.12.13.2

Versions reported by the vendor

Affected version ranges reported by the assigning authority (CERTVDE). Independent of NVD's CPE analysis and usually ahead of it.

  • Geutebrück E2 Series

    • EBC-21xx 1.12.13.2, EBC-21xx 1.12.14.5, EFD-22xx 1.12.13.2, EFD-22xx 1.12.14.5, ETHC-22xx 1.12.13.2, ETHC-22xx 1.12.14.5, EWPC-22xx 1.12.13.2, EWPC-22xx 1.12.14.5affected
    • EBC-21xx and later · up to and including 1.12.0.27affected
    • EFD-22xx and later · up to and including 1.12.0.27affected
    • ETHC-22xx and later · up to and including 1.12.0.27affected
    • EWPC-22xx and later · up to and including 1.12.0.27affected

  • Geutebrück Encoder G-Code

    • EEC-2xx 1.12.13.2, EEC-2xx 1.12.14.5, EEN-20xx 1.12.13.2, EEN-20xx 1.12.14.5affected
    • EEC-2xx and later · up to and including 1.12.0.27affected
    • EEN-20xx and later · up to and including 1.12.0.27affected

Same product

geutebrueck: all records

Other highest-scoring records for the same primary product.

  • CVE-2021-33543UDP Technology/Geutebrück camera devices: Authentication Bypass
    63This week
  • CVE-2021-33544UDP Technology/Geutebrück camera devices: command injection leading to RCE
    57Plan
  • CVE-2021-33549UDP Technology/Geutebrück camera devices: Buffer overflow in action parameter leading to RCE
    48Plan
  • CVE-2020-16205Using a specially crafted URL command, a remote authenticated user can execute commands as root on the G-Cam and G-Code (Firmware Versions 1
    46Plan
  • CVE-2021-33554UDP Technology/Geutebrück camera devices: Command injection in appfile.filename parameter leading to RCE
    45Plan
  • CVE-2021-33550UDP Technology/Geutebrück camera devices: Command injection in date parameter leading to RCE
    45Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Metasploit moduleexploit/linux/http/geutebruck_cmdinject_cve_2021_335xxGeutebruck Multiple Remote Command Executionexploit2021-07-08

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Metasploit-68 d
  2. Published
  3. TodayOct 10, 2026+1853 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS vector

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

nvd-primary

Root cause

User input is inserted as text into a shell command. The shell may interpret special characters in the input as part of the command.

The bug in code

The whole CWE-78 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
const host = req.body.host;exec("ping -c 1 " + host, onResult);

Fixed

ts
const host = req.body.host;if (!/^[a-z0-9.-]{1,253}$/i.test(host)) return res.sendStatus(400);execFile("ping", ["-c", "1", host], onResult);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records