CVE-2021-33554 in the critical feed json
UDP Technology/Geutebrück camera devices: Command injection in appfile.filename parameter leading to RCE
published 2021-09-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-20246
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 59.2%
- EPSS 59.2% chance of exploitation in 30 days, percentile 99.1%
- public exploits
- 1
- Metasploit
Summary
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.
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, 1.12.14.5affected: 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
Timeline
- First public exploit (Metasploit exploit/linux/http/geutebruck_cmdinject_cve_2021_335xx)
- Published
Exploit prediction
59.17% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/linux/http/geutebruck_cmdinject_cve_2021_335xx Geutebruck Multiple Remote Command Execution metasploit exploit, excellent rank, 2021-07-08
- 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 | 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
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
randorisec.fr
/fr/udp-technology-ip-camera-vulnerabilities/
exploit, third-party-advisory
-
us-cert.cisa.gov
/ics/advisories/icsa-21-208-03
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2021-33554
- NVD CVE-2021-33554
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.