XXE in Google Android
CVE-2023-20918
In getPendingIntentLaunchFlags of ActivityOptions.java, there is a possible elevation of privilege due to a confused deputy with no additional execution privileges needed. User interaction is not needed for exploitation.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (54.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Google Android — versions 12, 11.0, 11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- android.googlesource.com/platform/frameworks/base/+/16c604aa7c253ce5cf075368a25… (Patch)
- android.googlesource.com/platform/frameworks/base/+/8418e3a017428683d173c0c82b0… (Patch)
- android.googlesource.com/platform/frameworks/base/+/51051de4eb40bb502db448084a8… (Patch)
- source.android.com/security/bulletin/2023-07-01 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-20918?
- CVE-2023-20918 is a critical-severity vulnerability in Google Android, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2023-07-13.
- How severe is CVE-2023-20918?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-20918 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.