How severe is CVE-2020-3925?

CVE-2020-3925 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-3925 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3925?

CVE-2020-3925 affects Changingtec Servisign. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-3925?

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-2020-3925 published?

CVE-2020-3925 was published on 2020-02-03 and last updated on 2026-06-17.

CVE-2020-3925

CVE-2020-3925 is a high-severity vulnerability in Changingtec Servisign with a CVSS 3.x base score of 8.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.3)
CVSS v2: 9.3
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Changingtec Servisign
Published: 2020-02-03
Last modified: 2026-06-17

Description

A Remote Code Execution(RCE) vulnerability exists in some designated applications in ServiSign security plugin, as long as the interface is captured, attackers are able to launch RCE and executes arbitrary command on target system via malicious crafted scripts.

Frequently asked questions

What is CVE-2020-3925?: A Remote Code Execution(RCE) vulnerability exists in some designated applications in ServiSign security plugin, as long as the interface is captured, attackers are able to launch RCE and executes arbitrary command on target system via malicious crafted scripts.
How severe is CVE-2020-3925?: CVE-2020-3925 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-3925 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3925?: CVE-2020-3925 affects Changingtec Servisign. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-3925?: 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-2020-3925 published?: CVE-2020-3925 was published on 2020-02-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:changingtec:servisign:*:*:*:*:*:*:*:*

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