Vulnerability in Google Android
CVE-2021-39658
ismsEx service is a vendor service in unisoc equipment。ismsEx service is an extension of sms system service，but it does not check the permissions of the caller，resulting in permission leaks。Third-party apps can use this service to arbitrarily modify and set system properties。Product: AndroidVersions: Android SoCAndroid ID: A-207479207
EPSS: 0.006 (44.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Google Android
- N/a Android — versions Android SoC
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@android.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-39658?
- CVE-2021-39658 is a critical-severity vulnerability in Google Android, classified under Incorrect Default Permissions. CVSS score: 9.8/10. Published 2022-02-11.
- How severe is CVE-2021-39658?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-39658 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.