How severe is CVE-2021-39474?

CVE-2021-39474 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-39474 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39474?

CVE-2021-39474 affects Ubeeinteractive Ubc1319 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-39474?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-39474 published?

CVE-2021-39474 was published on 2021-11-10 and last updated on 2026-06-17.

CVE-2021-39474

CVE-2021-39474 is a high-severity vulnerability in Ubeeinteractive Ubc1319 Firmware with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 9.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Ubeeinteractive Ubc1319 Firmware
Published: 2021-11-10
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2021-39474?: 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.
How severe is CVE-2021-39474?: CVE-2021-39474 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-39474 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39474?: CVE-2021-39474 affects Ubeeinteractive Ubc1319 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-39474?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-39474 published?: CVE-2021-39474 was published on 2021-11-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:ubeeinteractive:ubc1319_firmware:1319010201r009:*:*:*:*:*:*:*

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