Auth bypass in Google Android
CVE-2020-0454
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
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (13.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Google Android — versions 9.0
- Android — versions Android-9
Weakness classification (CWE)
Public proof-of-concept exploits
References
- source.android.com/security/bulletin/2020-11-01 (Vendor Advisory)
- www.usenix.org/conference/usenixsecurity19/presentation/reardon (Third Party Advisory)
- www.usenix.org/system/files/sec19-reardon.pdf (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-0454?
- CVE-2020-0454 is a medium-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 5.5/10. Published 2020-11-10.
- How severe is CVE-2020-0454?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-0454 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.