How severe is CVE-2020-27043?

CVE-2020-27043 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-27043 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27043?

CVE-2020-27043 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27043?

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

When was CVE-2020-27043 published?

CVE-2020-27043 was published on 2020-12-15 and last updated on 2026-06-17.

CVE-2020-27043

CVE-2020-27043 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 4.4. 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 2.1
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Google Android
Published: 2020-12-15
Last modified: 2026-06-17

Description

In nfc_enabled of nfc_main.cc, there is a possible out of bounds read due to an incorrect increment. This could lead to local information disclosure via firmware with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-155234594

Frequently asked questions

What is CVE-2020-27043?: In nfc_enabled of nfc_main.cc, there is a possible out of bounds read due to an incorrect increment. This could lead to local information disclosure via firmware with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-155234594
How severe is CVE-2020-27043?: CVE-2020-27043 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-27043 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27043?: CVE-2020-27043 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27043?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-27043 published?: CVE-2020-27043 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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