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Fencer Vulns
high 7.2

CVE-2021-33545 json

UDP Technology/Geutebrück camera devices: Buffer overflow in counter parameter leading to RCE

published 2021-09-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-20237

cvss
7.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a stack-based buffer overflow condition in the counter parameter which may allow an attacker to remotely execute arbitrary code.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-208-03 updated cvss 7.2

Geutebrück G-Cam E2 and G-Code

  • Geutebrück EBC-21xx <= 1.12.0.27, 1.12.13.2, 1.12.14.5 Geutebrück EEC-2xx <= 1.12.0.27, 1.12.13.2, 1.12.14.5 Geutebrück EEN-20xx <= 1.12.0.27, 1.12.13.2, 1.12.14.5 Geutebrück EFD-22xx <= 1.12.0.27, 1.12.13.2, 1.12.14.5 Geutebrück ETHC-22xx <= 1.12.0.27, 1.12.13.2, 1.12.14.5 Geutebrück EWPC-22xx <= 1.12.0.27, 1.12.13.2, 1.12.14.5
    affected: mitigation “If updates cannot be deployed, Geutebrück recommends taking the following defensive measures to minimize the risk of exploitation of these vulnerabilities:” gcc02.safelinks.protection.outlook.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

2.82% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • randorisec.fr https://www.randorisec.fr/fr/udp-technology-ip-camera-vulnerabilities/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • Geutebrück E2 Series
  • Geutebrück Encoder G-Code

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.