How severe is CVE-2020-7679?

CVE-2020-7679 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-2020-7679 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-2020-7679?

CVE-2020-7679 affects Casperjs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7679?

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-2020-7679 published?

CVE-2020-7679 was published on 2020-06-19 and last updated on 2026-06-17.

CVE-2020-7679

CVE-2020-7679 is a high-severity vulnerability in Casperjs 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-1321.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1321
Affected product: Casperjs
Published: 2020-06-19
Last modified: 2026-06-17

Description

In all versions of package casperjs, the mergeObjects utility function is susceptible to Prototype Pollution.

Frequently asked questions

What is CVE-2020-7679?: In all versions of package casperjs, the mergeObjects utility function is susceptible to Prototype Pollution.
How severe is CVE-2020-7679?: CVE-2020-7679 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-2020-7679 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-2020-7679?: CVE-2020-7679 affects Casperjs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7679?: 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-2020-7679 published?: CVE-2020-7679 was published on 2020-06-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:casperjs:casperjs:*:*:*:*:*:*:*:*

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