CVE-2021-39717
In iaxxx_btp_write_words of iaxxx-btp.c, there is a possible out of bounds read due to an...
In iaxxx_btp_write_words of iaxxx-btp.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-198653629References: N/A
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In iaxxx_btp_write_words of iaxxx-btp.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-198653629References: N/A
- Record
CVE-2021-39717- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
In iaxxx_btp_write_words of iaxxx-btp.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-198653629References: N/A
- Record
CVE-2021-39717- Updated
- 2026-11-02
EUVDEUVD-2021-26074 No score
In iaxxx_btp_write_words of iaxxx-btp.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-198653629References: N/A
- Record
EUVD-2021-26074- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x48q-c6cq-c3hg
In iaxxx_btp_write_words of iaxxx-btp.c, there is a possible out of bounds read due to an...
In iaxxx_btp_write_words of iaxxx-btp.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-198653629References: N/A
- Record
GHSA-x48q-c6cq-c3hg- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
OSVPUB-A-198653629 No score
In iaxxx_btp_write_words of iaxxx-btp.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
- Record
PUB-A-198653629- Updated
- 2026-11-09
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
:unknown:Android |
Pixel-family specific:0 up to Pixel-family specific:2022-03-05, plus listed versions Pixel-family specific |
Pixel-family specific:2022-03-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-39717 is a medium vulnerability (CVSS 4.4) in Google Android, published March 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. Fixed in :unknown: Pixel-family specific:2022-03-05.