How severe is CVE-2023-21277?

CVE-2023-21277 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-21277 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-21277?

CVE-2023-21277 primarily affects Google Android. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-21277?

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

When was CVE-2023-21277 published?

CVE-2023-21277 was published on 2023-08-14 and last updated on 2026-06-17.

CVE-2023-21277

CVE-2023-21277 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Google Android
Published: 2023-08-14
Last modified: 2026-06-17

Description

In visitUris of RemoteViews.java, there is a possible way to reveal images across users due to a missing permission check. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation.

Frequently asked questions

What is CVE-2023-21277?: In visitUris of RemoteViews.java, there is a possible way to reveal images across users due to a missing permission check. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation.
How severe is CVE-2023-21277?: CVE-2023-21277 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-21277 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21277?: CVE-2023-21277 primarily affects Google Android. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-21277?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-21277 published?: CVE-2023-21277 was published on 2023-08-14 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:google:android:12.0:-:*:*:*:*:*:*
cpe:2.3:o:google:android:12.1:-:*:*:*:*:*:*
cpe:2.3:o:google:android:13.0:-:*:*:*:*:*:*

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