CVE-2021-25339: google android Improper Input Validation
CVSS: 5.2v3.1MediumModified
Published 04-03-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-25339 is a medium (CVSS 5.2) Improper Input Validation vulnerability in google android. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 1.6% of scored vulnerabilities.
CVSS score
5.2/10
010
Medium · v3.1 (NVD)EPSS score
0.12%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 04-03-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Improper address validation in HArx in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows an attacker, given a compromised kernel, to corrupt EL2 memory.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.2Preferred score · NVD (NIST)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:LSources2 sources · 4.4–5.2
- CVE.orgCNA4.4MediumCVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:LDiffers
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
0.12%
Chance of exploitation in the next 30 days
Percentile
2%
Versus all other CVEs
30-day change
0.00 pp
From 0.11% on 19-09-2026
19-09-202619-10-2026
EPSS score0.12%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Google1 product
- androidEOL10.0 | 11.0
Samsung mobile1 product
- samsung mobile devices≥ Selected Q(10.0), R(11.0), < SMR Mar-2021 Release 1
2 vendors · 2 products