CVE-2021-25356: google android Improper Input Validation
Vulnerability summary
CVE-2021-25356 is a high (CVSS 8.8) Improper Input Validation vulnerability in google android. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 6.8% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 09-04-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
An improper caller check vulnerability in Managed Provisioning prior to SMR APR-2021 Release 1 allows unprivileged application to install arbitrary application, grant device admin permission and then delete several installed application.
CVSS metrics
3 scores · 2 sources · 2 versions- CVE.orgCNA7.1HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:NDiffers
EPSS trend
Probability
0.18%
Chance of exploitation in the next 30 days
Percentile
7%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.18% on 22-09-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (blog.oversecured.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-863Incorrect AuthorizationThe product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
Affected systems
Google1 product
- androidEOL8.1 | 9.0 | 10.0 | 11.0
Samsung mobile1 product
- samsung mobile devices≥ O(8.x), P(9.0), Q(10.0), R(11.0), < SMR APR-2021 Release 1
2 vendors · 2 products
References
3 links- blog.oversecured.com/Two-weeks-of-securing-Samsung-devices-Part-1/X Refsource MISCExploitThird Party Advisory