CVE-2021-25451: google android Improper Authentication
CVSS: 4.3v2.0MediumModified
Published 09-09-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-25451 is a medium (CVSS 4.3) Improper Authentication vulnerability in google android. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.8% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v2.0 (NVD)EPSS score
0.23%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-09-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A PendingIntent hijacking in NetworkPolicyManagerService prior to SMR Sep-2021 Release 1 allows attackers to get IMSI data.
CVSS metrics
3 scores · 2 sources · 2 versionsLow 3.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NSourcesAll 2 agree
- NVDNIST3.3LowCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
0.00 pp
From 0.23% on 19-09-2026
19-09-202619-10-2026
EPSS score0.23%
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
- androidEOL9.0 | 10.0 | 11.0
Samsung mobile1 product
- samsung mobile devices≥ P(9.0), Q(10.0), R(11.0), < SMR Sep-2021 Release 1
2 vendors · 2 products