How severe is CVE-2020-27040?

CVE-2020-27040 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-2020-27040 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-2020-27040?

CVE-2020-27040 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27040?

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

When was CVE-2020-27040 published?

CVE-2020-27040 was published on 2020-12-15 and last updated on 2026-06-17.

CVE-2020-27040

CVE-2020-27040 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 phNxpNciHal_core_initialized of phNxpNciHal.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure in the NFC server with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-153731880

Frequently asked questions

What is CVE-2020-27040?: In phNxpNciHal_core_initialized of phNxpNciHal.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure in the NFC server with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-153731880
How severe is CVE-2020-27040?: CVE-2020-27040 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-2020-27040 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-2020-27040?: CVE-2020-27040 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27040?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-27040 published?: CVE-2020-27040 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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