CVE-2021-39658 json
ismsEx service is a vendor service in unisoc equipment。ismsEx service is an extension of sms system service，but it does not check the permi…
published 2022-02-11 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26015
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
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
Exploit prediction
0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- n/a Android
Classification
- Weakness
-
- CWE-276 Incorrect Default Permissions
References
-
source.android.com
/security/bulletin/2022-02-01
vendor-advisory
Sources
- CVE List CVE-2021-39658
- NVD CVE-2021-39658
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