CVE-2021-21212

CVE-2021-21212 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Incorrect security UI in Network Config UI in Google Chrome on ChromeOS prior to 90.0.4430.72 allowed a remote attacker to potentially compromise WiFi connection security via a malicious WAP.

Frequently asked questions

What is CVE-2021-21212?
Incorrect security UI in Network Config UI in Google Chrome on ChromeOS prior to 90.0.4430.72 allowed a remote attacker to potentially compromise WiFi connection security via a malicious WAP.
How severe is CVE-2021-21212?
CVE-2021-21212 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-21212 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-21212?
CVE-2021-21212 primarily affects Google Chrome. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-21212?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-21212 published?
CVE-2021-21212 was published on 2021-04-26 and last updated on 2026-06-17.

References

Affected products (5)

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