Buffer overflow in Google Android
CVE-2021-25407
A possible out of bounds write vulnerability in NPU driver prior to SMR JUN-2021 Release 1 allows arbitrary memory write.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (5.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Google Android — versions 9.0, 10.0, 11.0
- Samsung Exynos 2100
- Samsung Exynos 980
- Samsung Exynos 9820
- Samsung Exynos 9830
- Samsung Mobile Devices — versions P(9.0), Q(10.0), R(11.0) devices with Exynos9820, 9830, 980, 2100 chipsets
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.samsungmobile.com/securityUpdate.smsb (Vendor Advisory)
- packetstormsecurity.com/files/163198/Samsung-NPU-npu_session_format-Out-Of-Boun… (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-25407?
- CVE-2021-25407 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-06-11.
- How severe is CVE-2021-25407?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-25407 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.