CVE-2021-0517 json
In updateCapabilities of ConnectivityService.java, there is a possible incorrect network state determination due to a logic error in the co…
published 2021-06-21 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-3136
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
In updateCapabilities of ConnectivityService.java, there is a possible incorrect network state determination due to a logic error in the code. This could lead to biasing of networking tasks to occur on non-VPN networks, which could lead to remote information disclosure, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-179053823
Patch / fix
Exploit prediction
0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- n/a Android
Classification
- Weakness
-
- CWE-670 Always-Incorrect Control Flow Implementation
References
-
source.android.com
/security/bulletin/2021-06-01
patch, vendor-advisory
Sources
- CVE List CVE-2021-0517
- NVD CVE-2021-0517
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