CVE-2021-25444: google android Improper Input Validation
Modified
Published 05-08-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-25444 is a medium (CVSS 5.5) Improper Input Validation vulnerability in google android. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.6% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.76%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 05-08-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
An IV reuse vulnerability in keymaster prior to SMR AUG-2021 Release 1 allows decryption of custom keyblob with privileged process.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NSourcesSingle source
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.76%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.76% on 22-09-2026
22-09-202622-10-2026
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
0 foundNo public exploits indexed.
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-330Use of Insufficiently Random ValuesThe product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.
Affected systems
Google1 product
- androidEOL8.1 | 9.0 | 10.0
Samsung mobile1 product
- samsung mobile devices≥ O(8.1), P(9.0), Q(10.0), < SMR AUG-2021 Release 1
2 vendors · 2 products