How severe is CVE-2020-27055?

CVE-2020-27055 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-27055 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27055?

CVE-2020-27055 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27055?

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-2020-27055 published?

CVE-2020-27055 was published on 2020-12-15 and last updated on 2026-06-17.

CVE-2020-27055

CVE-2020-27055 is a high-severity vulnerability in Google Android with a CVSS 3.x base score of 7.5. 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-311.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-311
Affected product: Google Android
Published: 2020-12-15
Last modified: 2026-06-17

Description

In isSubmittable and showWarningMessagesIfAppropriate of WifiConfigController.java and WifiConfigController2.java, there is a possible insecure WiFi configuration due to improper input validation. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-161378819

Frequently asked questions

What is CVE-2020-27055?: In isSubmittable and showWarningMessagesIfAppropriate of WifiConfigController.java and WifiConfigController2.java, there is a possible insecure WiFi configuration due to improper input validation. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-161378819
How severe is CVE-2020-27055?: CVE-2020-27055 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-27055 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27055?: CVE-2020-27055 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27055?: 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-2020-27055 published?: CVE-2020-27055 was published on 2020-12-15 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/pixel/2020-12-01

Affected products (1)

cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*

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