Cyber Resilience

CVE-2021-39474

HighPublic PoCRCE

Published: 10 November 2021

Published
10 November 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0245 85.5th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-39474 is a high-severity OS Command Injection (CWE-78) vulnerability in Ubeeinteractive Ubc1319 Firmware. Its CVSS base score is 7.2 (High).

Operationally, ranked in the top 14.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Vulnerability in the product Docsis 3.0 UBC1319BA00 Router supported affected version 1319010201r009. The vulnerability allows an attacker with privileges and network access through the ping.cmd component to execute commands on the device.

CWE(s)
CWE-78

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

ubeeinteractive
ubc1319 firmware
1319010201r009

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References