How severe is CVE-2020-16031?

CVE-2020-16031 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2020-16031 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-16031?

CVE-2020-16031 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-16031?

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

When was CVE-2020-16031 published?

CVE-2020-16031 was published on 2021-01-08 and last updated on 2026-06-17.

CVE-2020-16031

CVE-2020-16031 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 4.3. 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-1021.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1021
Affected product: Google Chrome
Published: 2021-01-08
Last modified: 2026-06-17

Description

Insufficient data validation in UI in Google Chrome prior to 87.0.4280.66 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.

Frequently asked questions

What is CVE-2020-16031?: Insufficient data validation in UI in Google Chrome prior to 87.0.4280.66 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.
How severe is CVE-2020-16031?: CVE-2020-16031 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2020-16031 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-16031?: CVE-2020-16031 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-16031?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-16031 published?: CVE-2020-16031 was published on 2021-01-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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