How severe is CVE-2021-37378?

CVE-2021-37378 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-37378 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37378?

CVE-2021-37378 primarily affects Teradke Cube Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-37378?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-37378 published?

CVE-2021-37378 was published on 2023-02-03 and last updated on 2026-06-17.

CVE-2021-37378

CVE-2021-37378 is a medium-severity vulnerability in Teradke Cube Firmware with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Teradke Cube Firmware
Published: 2023-02-03
Last modified: 2026-06-17

Description

Cross Site Scripting (XSS) vulnerability in Teradek Cube and Cube Pro firmware version 7.3.x and earlier allows remote attackers to run arbitrary code via the Friendly Name field in System Information Settings. NOTE: Vedor states the product has reached End of Life and will not be receiving any firmware updates to address this issue.

Frequently asked questions

What is CVE-2021-37378?: Cross Site Scripting (XSS) vulnerability in Teradek Cube and Cube Pro firmware version 7.3.x and earlier allows remote attackers to run arbitrary code via the Friendly Name field in System Information Settings. NOTE: Vedor states the product has reached End of Life and will not be receiving any firmware updates to address this issue.
How severe is CVE-2021-37378?: CVE-2021-37378 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-37378 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37378?: CVE-2021-37378 primarily affects Teradke Cube Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-37378?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-37378 published?: CVE-2021-37378 was published on 2023-02-03 and last updated on 2026-06-17.

References

https://tbutler.org/2021/04/29/teradek-vulnerability-advisory

Affected products (2)

cpe:2.3:o:teradke:cube_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:teradke:cube_pro_firmware:*:*:*:*:*:*:*:*

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