How severe is CVE-2021-39709?

CVE-2021-39709 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-39709 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39709?

CVE-2021-39709 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-39709?

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-2021-39709 published?

CVE-2021-39709 was published on 2022-03-16 and last updated on 2026-06-17.

CVE-2021-39709

CVE-2021-39709 is a high-severity vulnerability in Google Android with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Google Android
Published: 2022-03-16
Last modified: 2026-06-17

Description

In sendSipAccountsRemovedNotification of SipAccountRegistry.java, there is a possible permission bypass due to an unsafe PendingIntent. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-208817618

Frequently asked questions

What is CVE-2021-39709?: In sendSipAccountsRemovedNotification of SipAccountRegistry.java, there is a possible permission bypass due to an unsafe PendingIntent. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-208817618
How severe is CVE-2021-39709?: CVE-2021-39709 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-39709 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39709?: CVE-2021-39709 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-39709?: 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-2021-39709 published?: CVE-2021-39709 was published on 2022-03-16 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/2022-03-01

Affected products (1)

cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*

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