How severe is CVE-2020-7778?

CVE-2020-7778 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2020-7778 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7778?

CVE-2020-7778 affects Systeminformation. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7778?

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-2020-7778 published?

CVE-2020-7778 was published on 2020-11-26 and last updated on 2026-06-17.

CVE-2020-7778

CVE-2020-7778 is a high-severity vulnerability in Systeminformation with a CVSS 3.x base score of 7.3. 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 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Systeminformation
Published: 2020-11-26
Last modified: 2026-06-17

Description

This affects the package systeminformation before 4.30.2. The attacker can overwrite the properties and functions of an object, which can lead to executing OS commands.

Frequently asked questions

What is CVE-2020-7778?: This affects the package systeminformation before 4.30.2. The attacker can overwrite the properties and functions of an object, which can lead to executing OS commands.
How severe is CVE-2020-7778?: CVE-2020-7778 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2020-7778 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7778?: CVE-2020-7778 affects Systeminformation. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7778?: 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-2020-7778 published?: CVE-2020-7778 was published on 2020-11-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:systeminformation:systeminformation:*:*:*:*:*:node.js:*:*

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