CVE-2021-33549
HighExploitedPublic exploitMultiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a stack-based buffer overflow condition in the action parameter, which may allow an attacker to remotely execute arbitrary code.
Published Sep 13, 2021 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2021-33549 is a high-severity vulnerability (CVSS 7.2 v3.1) affecting G-Cam Ebc-2110 Firmware (Geutebrueck), G-Cam Ebc-2111 Firmware (Geutebrueck), G-Cam Ebc-2112 Firmware (Geutebrueck) and 15 more products.
- It is exploited in the wild, listed in Industry KEV feed since Oct 9, 2023. Public exploit code is available.
- EPSS estimates a 69% probability of exploitation in the next 30 days.
- Fixed versions are available, including G-Cam Ebc-2110 Firmware <=1.12.0.27, G-Cam Ebc-2111 Firmware <=1.12.0.27, G-Cam Ebc-2112 Firmware <=1.12.0.27.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.2
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
69%
Higher than 99.3% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2021-33549 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a stack-based buffer overflow condition in the action parameter, which may allow an attacker to remotely execute arbitrary code.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Oct 9, 2023 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
50 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| G-Cam Ebc-2110 FirmwareGeutebrueck | 1.12.13.2, 1.12.14.5 | 1.12.0.27 |
| G-Cam Ebc-2111 FirmwareGeutebrueck | 1.12.13.2, 1.12.14.5 | 1.12.0.27 |
| G-Cam Ebc-2112 FirmwareGeutebrueck | 1.12.13.2, 1.12.14.5 | 1.12.0.27 |
| G-Cam Efd-2241 FirmwareGeutebrueck | 1.12.13.2, 1.12.14.5 | 1.12.0.27 |
| G-Cam Efd-2250 FirmwareGeutebrueck | 1.12.13.2, 1.12.14.5 | 1.12.0.27 |
Patched Releases
G-Cam Ebc-2110 Firmware
<=1.12.0.27
G-Cam Ebc-2111 Firmware
<=1.12.0.27
G-Cam Ebc-2112 Firmware
<=1.12.0.27
G-Cam Efd-2241 Firmware
<=1.12.0.27
G-Cam Efd-2250 Firmware
<=1.12.0.27
G-Cam Efd-2251 Firmware
<=1.12.0.27
G-Cam Ethc-2230 Firmware
<=1.12.0.27
G-Cam Ethc-2239 Firmware
<=1.12.0.27
G-Cam Ethc-2240 Firmware
<=1.12.0.27
G-Cam Ethc-2249 Firmware
<=1.12.0.27
G-Cam Ewpc-2270 Firmware
<=1.12.0.27
G-Cam Ewpc-2271 Firmware
<=1.12.0.27
G-Cam Ewpc-2275 Firmware
<=1.12.0.27
G-Code Eec-2400 Firmware
<=1.12.0.27
G-Code Een-2010 Firmware
<=1.12.0.27
G-Code Een-2040 Firmware
<=1.12.0.27
Timeline
Publicly disclosed
Sep 13, 2021
Added to Industry KEV feed
Oct 9, 2023
Last updated
Nov 21, 2024
Weakness Type
- CWE-121 Stack-based Buffer Overflow
References
- advisoryhttps://us-cert.cisa.gov/ics/advisories/icsa-21-208-03
- exploithttp://packetstormsecurity.com/files/164191/Geutebruck-instantrec-Remote-Command-Execution.html
- exploitMSF geutebruck_instantrec_bof.rb
- exploitVulnCheck exploitation report
- exploithttps://www.randorisec.fr/fr/udp-technology-ip-camera-vulnerabilities/
FAQ
Common Questions.
Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to a stack-based buffer overflow condition in the action parameter, which may allow an attacker to remotely execute arbitrary code.
Affected: G-Cam Ebc-2110 Firmware (Geutebrueck) versions 1.12.13.2, 1.12.14.5; G-Cam Ebc-2111 Firmware (Geutebrueck) versions 1.12.13.2, 1.12.14.5; G-Cam Ebc-2112 Firmware (Geutebrueck) versions 1.12.13.2, 1.12.14.5, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Oct 9, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including G-Cam Ebc-2110 Firmware <=1.12.0.27, G-Cam Ebc-2111 Firmware <=1.12.0.27, G-Cam Ebc-2112 Firmware <=1.12.0.27.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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