VulnerabilityModified
CVE-2021-39680
This could lead to local information disclosure with System execution privileges needed.
MEDIUM 4.4EPSS 0.11%
Does this matter?
Lower severity and a low EPSS score (0.11%). Track it; it rarely justifies an emergency change on its own.
Description
In sec_SHA256_Transform of sha256_core.c, there is a possible way to read heap data due to uninitialized data. 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-197965864References: N/A
- CVSS 3.1
- 4.4 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.11% probability · 2th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-908
- Affected
- google/android
- Source
- security@android.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.