How severe is CVE-2021-0559?

CVE-2021-0559 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 high, integrity none, and availability none.

Is CVE-2021-0559 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-0559?

CVE-2021-0559 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-0559?

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

When was CVE-2021-0559 published?

CVE-2021-0559 was published on 2021-06-22 and last updated on 2026-06-17.

CVE-2021-0559

CVE-2021-0559 is a medium-severity vulnerability in Google Android 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. The underlying weakness is classified as CWE-125.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Google Android
Published: 2021-06-22
Last modified: 2026-06-17

Description

In Lag_max of p_ol_wgh.cpp, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-172312730

Frequently asked questions

What is CVE-2021-0559?: In Lag_max of p_ol_wgh.cpp, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-172312730
How severe is CVE-2021-0559?: CVE-2021-0559 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 high, integrity none, and availability none.
Is CVE-2021-0559 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-0559?: CVE-2021-0559 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-0559?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-0559 published?: CVE-2021-0559 was published on 2021-06-22 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/pixel/2021-06-01

Affected products (1)

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

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