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CVE-2021-33549

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

Public exploit available. Not confirmed exploited in the wild yet. No fix published yet.

CVSS 3.17.2HighEPSS percentile99th67% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
Public exploit: 1 sourceFixNone yetNo fix or workaround published

Published Updated Sources: CVE.org, NVD, CSAF

NVD CVE.org

What to do

No fixed build or workaround is published yet. Limit exposure and watch for a patch.

  • Geutebrück E2 SeriesAffected: EBC-21xx 1.12.13.2Upgrade to: not statedAffected: EBC-21xx 1.12.14.5Upgrade to: not statedAffected: EFD-22xx 1.12.13.2Upgrade to: not statedAffected: EFD-22xx 1.12.14.5Upgrade to: not stated + 8 more branchesStated by: CVE record
  • Geutebrück Encoder G-CodeAffected: EEC-2xx 1.12.13.2Upgrade to: not statedAffected: EEC-2xx 1.12.14.5Upgrade to: not statedAffected: EEN-20xx 1.12.13.2Upgrade to: not statedAffected: EEN-20xx 1.12.14.5Upgrade to: not stated + 2 more branchesStated by: CVE record
  • Geutebrueck G-cam Ebc-2110 FirmwareAffected: ≤ 1.12.0.27Upgrade to: after 1.12.0.27Stated by: NVD
  • Geutebrueck G-cam Ebc-2111 FirmwareAffected: ≤ 1.12.0.27Upgrade to: after 1.12.0.27Stated by: NVD
  • Geutebrueck G-cam Efd-2241 FirmwareAffected: ≤ 1.12.0.27Upgrade to: after 1.12.0.27Stated by: NVD

Versions as the sources state them. 13 more products have version data. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

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.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS99th
Public exploit
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

1 source with a proof of concept or module.

Exploit links, PoCs and Metasploit modules after sign-in
EPSS

67% chance of exploitation activity in the next 30 days, which ranks it in the 99th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

7 events over 1746 days, from the signal feeds we watch.

  1. OpenVAS check added
  2. EPSS band changecritical → high
  3. Public exploit / PoCsource: packetstorm
  4. Record updated
  5. Publishedweakness classified, att&ck mapped

Affected products

And 8 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Scored 7.2 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required HighRequires admin or elevated privileges
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 18 more references. See all after sign-in

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.

We'll flag the next CVE, public exploit or patch for G-cam Ebc-2110 Firmware, not every advisory. This one: public exploit.