CVE-2021-33550Public exploitNetwork attack vector

Authenticated command execution via date parameter

Published Sep 13, 2021 · Updated Sep 17, 2024

OS command injection in Geutebrück G-Cam E2 and G-Code firmware allows remote authenticated users to execute arbitrary code. The language.cgi handler passes the date parameter to a shell command without neutralizing command-substitution syntax. Administrative access is required; injected commands run as root and can take full control of the appliance.

CVSS severity7.2
High
EPSS probability57.05%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in Geutebrück G-Cam E2 and G-Code firmware allows remote authenticated users to execute arbitrary code. The language.cgi handler passes the date parameter to a shell command without neutralizing command-substitution syntax. Administrative access is required; injected commands run as root and can take full control of the appliance.

The record

CVE
CVE-2021-33550
Published
Sep 13, 2021
Updated
Sep 17, 2024
Vendor
Geutebrück
Product
G-Cam/E2 Series
Classifications
CWE-78, T1059.004
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Sep 13, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=EBC-21xx <=1.12.0.27
  2. Affected versionversion=EBC-21xx 1.12.13.2
  3. Affected versionversion=EBC-21xx 1.12.14.5
  4. Affected versionversion=EFD-22xx <=1.12.0.27
  5. Affected versionversion=EFD-22xx 1.12.13.2
  6. Affected versionversion=EFD-22xx 1.12.14.5
  7. Affected versionversion=ETHC-22xx <=1.12.0.27
  8. Affected versionversion=ETHC-22xx 1.12.13.2
  9. Affected versionversion=ETHC-22xx 1.12.14.5
  10. Affected versionversion=EWPC-22xx <=1.12.0.27
  11. Affected versionversion=EWPC-22xx 1.12.13.2
  12. Affected versionversion=EWPC-22xx 1.12.14.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Geutebrück · G-Cam/E2 Seriesversion=EBC-21xx <=1.12.0.27; version=EBC-21xx 1.12.13.2; version=EBC-21xx 1.12.14.5; version=EFD-22xx <=1.12.0.27; version=EFD-22xx 1.12.13.2; version=EFD-22xx 1.12.14.5; version=ETHC-22xx <=1.12.0.27; version=ETHC-22xx 1.12.13.2; version=ETHC-22xx 1.12.14.5; version=EWPC-22xx <=1.12.0.27; version=EWPC-22xx 1.12.13.2; version=EWPC-22xx 1.12.14.5
Geutebrück · Encoder G-Codeversion=EEC-2xx <=1.12.0.27; version=EEC-2xx 1.12.13.2; version=EEC-2xx 1.12.14.5; version=EEN-20xx <=1.12.0.27; version=EEN-20xx 1.12.13.2; version=EEN-20xx 1.12.14.5

Published CVSS scores

6.5NIST NVDAV:N/AC:L/Au:S/C:P/I:P/A:P
7.2CERT VDECVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059.004Unix Shell

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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