How severe is CVE-2023-21268?

CVE-2023-21268 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 none, integrity none, and availability high.

Is CVE-2023-21268 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-2023-21268?

CVE-2023-21268 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-2023-21268?

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

When was CVE-2023-21268 published?

CVE-2023-21268 was published on 2023-08-14 and last updated on 2026-06-17.

CVE-2023-21268

CVE-2023-21268 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. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Google Android
Published: 2023-08-14
Last modified: 2026-06-17

Description

In update of MmsProvider.java, there is a possible way to change directory permissions due to a path traversal error. This could lead to local denial of service of SIM recognition with no additional execution privileges needed. User interaction is not needed for exploitation.

Frequently asked questions

What is CVE-2023-21268?: In update of MmsProvider.java, there is a possible way to change directory permissions due to a path traversal error. This could lead to local denial of service of SIM recognition with no additional execution privileges needed. User interaction is not needed for exploitation.
How severe is CVE-2023-21268?: CVE-2023-21268 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 none, integrity none, and availability high.
Is CVE-2023-21268 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-2023-21268?: CVE-2023-21268 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-2023-21268?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-21268 published?: CVE-2023-21268 was published on 2023-08-14 and last updated on 2026-06-17.

References

Affected products (4)

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