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Public proof of concept

CVE-2020-16205

A public proof of concept exists; no exploitation attested.

  • Published2020-08-14
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Using a specially crafted URL command, a remote authenticated user can execute commands as root on the G-Cam and G-Code (Firmware Versions 1.12.0.25 and prior as well as the limited Versions 1.12.13.2 and 1.12.14.5).

Timeline

dates in UTC
  1. 2020-08-1414:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-16205?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-16205?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Geutebrueck g-cam ebc-2110 firmwareversion to verify
BranchAffectedFixed in
1.12= 1.12.0.25no fix published
1.12= 1.12.13.2no fix published
1.12= 1.12.14.5no fix published
Geutebrueck g-cam ebc-2111 firmwareversion to verify
BranchAffectedFixed in
1.12= 1.12.0.25no fix published
1.12= 1.12.13.2no fix published
1.12= 1.12.14.5no fix published
Geutebrueck g-cam efd-2240 firmwareversion to verify
BranchAffectedFixed in
1.12= 1.12.0.25no fix published
1.12= 1.12.13.2no fix published
1.12= 1.12.14.5no fix published

8 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-20-219-03 CISA5 known affected

    Geutebrück G-Cam and G-Code

    G-Code EWPC-22xx: firmware Versions 1.12.0.25 and prior as well as the limited Versions 1.12.13.2 and 1.12.14.5 · G-Cam EEC-2xxx: firmware Versions 1.12.0.25 and prior as well as the limited Versions 1.12.13.2 and 1.12.14.5 · G-Code EBC-21xx: firmware Versions 1.12.0.25 and prior as well as the limited Versions 1.12.13.2 and 1.12.14.5 · +2 more

Full record on NVD

Fix

  1. Mitigation from the vendor CISA ICSA-20-219-03 · 5 productsGeutebrück recommends users update to firmware Version 1.12.0.27
  2. Mitigation from the vendor CISA ICSA-20-219-03 · 5 productsThe link for the download area on the Geutebrück website “latest firmware” is the same as for the advisory “security advisory” (Login required).

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
1 moduleexploit/linux/http/geutebruck_testaction_execrank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

Sources

  • NVDCVSS 3.17.2read 2026-10-23
  • NVDCVSS 2.09read 2026-10-23
  • CNAweakness (CWE)CWE-78known since 2026-10-23
  • NVDweakness (CWE)CWE-78read 2026-10-23
  • FIRST EPSSEPSS score61.1 %read 2026-11-03
  • Metasploit FrameworkMetasploit modules1known since 2026-11-01

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
2020-08-14
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-16205?

Using a specially crafted URL command, a remote authenticated user can execute commands as root on the G-Cam and G-Code (Firmware Versions 1.12.0.25 and prior as well as the limited Versions 1.12.13.2 and 1.12.14.5).

Is CVE-2020-16205 actively exploited?

Active exploitation of CVE-2020-16205 has not been confirmed. Its EPSS score was 61.1% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-16205?

CVE-2020-16205 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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Same product first, then the same vendor advisory and the same publication week.

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Sources for this record