How severe is CVE-2021-41870?

CVE-2021-41870 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-41870 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41870?

CVE-2021-41870 affects Socomec Remote View Pro Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-41870?

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-2021-41870 published?

CVE-2021-41870 was published on 2021-12-15 and last updated on 2026-06-17.

CVE-2021-41870

CVE-2021-41870 is a high-severity vulnerability in Socomec Remote View Pro Firmware with a CVSS 3.x base score of 8.8. 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-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Socomec Remote View Pro Firmware
Published: 2021-12-15
Last modified: 2026-06-17

Description

An issue was discovered in the firmware update form in Socomec REMOTE VIEW PRO 2.0.41.4. An authenticated attacker can bypass a client-side file-type check and upload arbitrary .php files.

Frequently asked questions

What is CVE-2021-41870?: An issue was discovered in the firmware update form in Socomec REMOTE VIEW PRO 2.0.41.4. An authenticated attacker can bypass a client-side file-type check and upload arbitrary .php files.
How severe is CVE-2021-41870?: CVE-2021-41870 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-41870 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41870?: CVE-2021-41870 affects Socomec Remote View Pro Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41870?: 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-2021-41870 published?: CVE-2021-41870 was published on 2021-12-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:socomec:remote_view_pro_firmware:2.0.41.4:*:*:*:*:*:*:*

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