How severe is CVE-2022-20447?

CVE-2022-20447 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-20447 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-20447?

CVE-2022-20447 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-20447?

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

When was CVE-2022-20447 published?

CVE-2022-20447 was published on 2022-11-08 and last updated on 2026-06-17.

CVE-2022-20447

CVE-2022-20447 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-416.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Google Android
Published: 2022-11-08
Last modified: 2026-06-17

Description

In PAN_WriteBuf of pan_api.cc, there is a possible out of bounds read due to a use after free. This could lead to remote information disclosure over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-233604485

Frequently asked questions

What is CVE-2022-20447?: In PAN_WriteBuf of pan_api.cc, there is a possible out of bounds read due to a use after free. This could lead to remote information disclosure over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-233604485
How severe is CVE-2022-20447?: CVE-2022-20447 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-20447 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-20447?: CVE-2022-20447 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-20447?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-20447 published?: CVE-2022-20447 was published on 2022-11-08 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/2022-11-01

Affected products (1)

cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*

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