CVE-2020-0454 json
In callCallbackForRequest of ConnectivityService.java, there is a possible permission bypass due to a missing permission check.
published 2020-11-10 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-1955
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
In callCallbackForRequest of ConnectivityService.java, there is a possible permission bypass due to a missing permission check. This could lead to local information disclosure of the current SSID with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9Android ID: A-161370134
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- usenix.org https://www.usenix.org/system/files/sec19-reardon.pdf referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- n/a Android
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
usenix.org
/system/files/sec19-reardon.pdf
exploit, third-party-advisory
-
source.android.com
/security/bulletin/2020-11-01
vendor-advisory
-
usenix.org
/conference/usenixsecurity19/presentation/reardon
third-party-advisory
Sources
- CVE List CVE-2020-0454
- NVD CVE-2020-0454
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.