Buffer overflow in Google Android
CVE-2021-25500
A missing input validation in HDCP LDFW prior to SMR Nov-2021 Release 1 allows attackers to overwrite TZASC allowing TEE compromise.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.001 (0.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Google Android — versions 10.0, 11.0
- Samsung Exynos 2100
- Samsung Exynos 980
- Samsung Exynos 9820
- Samsung Exynos 9830
- Samsung Mobile Devices — versions Select Q(10.0), R(11.0) devices with Exynos 980, 9820, 9830, 2100 chipset
Weakness classification (CWE)
References
- security.samsungmobile.com/securityUpdate.smsb (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-25500?
- CVE-2021-25500 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.2/10. Published 2021-11-05.
- How severe is CVE-2021-25500?
- High severity. CVSS v3 base score is 7.2 out of 10.