How severe is CVE-2020-7751?

CVE-2020-7751 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.

Is CVE-2020-7751 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7751?

CVE-2020-7751 affects Chaijis Pathval. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7751?

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

When was CVE-2020-7751 published?

CVE-2020-7751 was published on 2020-10-26 and last updated on 2026-06-17.

CVE-2020-7751

CVE-2020-7751 is a medium-severity vulnerability in Chaijis Pathval with a CVSS 3.x base score of 6.0. 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: Medium (CVSS 3.x base score 6.0)
CVSS v2: 6.5
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1321
Affected product: Chaijis Pathval
Published: 2020-10-26
Last modified: 2026-06-17

Description

pathval before version 1.1.1 is vulnerable to prototype pollution.

Frequently asked questions

What is CVE-2020-7751?: pathval before version 1.1.1 is vulnerable to prototype pollution.
How severe is CVE-2020-7751?: CVE-2020-7751 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.
Is CVE-2020-7751 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7751?: CVE-2020-7751 affects Chaijis Pathval. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7751?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-7751 published?: CVE-2020-7751 was published on 2020-10-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:chaijis:pathval:*:*:*:*:*:node.js:*:*

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