How severe is CVE-2021-0596?

CVE-2021-0596 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-2021-0596 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-0596?

CVE-2021-0596 primarily affects Google Android. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-0596?

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-2021-0596 published?

CVE-2021-0596 was published on 2021-07-14 and last updated on 2026-06-17.

CVE-2021-0596

CVE-2021-0596 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-125.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Google Android
Published: 2021-07-14
Last modified: 2026-06-17

Description

In phNciNfc_RecvMfResp of phNxpExtns_MifareStd.cpp, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure over NFC with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-181346550

Frequently asked questions

What is CVE-2021-0596?: In phNciNfc_RecvMfResp of phNxpExtns_MifareStd.cpp, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure over NFC with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-181346550
How severe is CVE-2021-0596?: CVE-2021-0596 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-2021-0596 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-0596?: CVE-2021-0596 primarily affects Google Android. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-0596?: 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-2021-0596 published?: CVE-2021-0596 was published on 2021-07-14 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/2021-07-01

Affected products (4)

cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*

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