What is CVE-2019-2099?

CVE-2019-2099 is a high-severity vulnerability in Android, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-06-07.

How severe is CVE-2019-2099?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2019-2099 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Android

CVE-2019-2099

In nfa_rw_store_ndef_rx_buf of nfa_rw_act.cc, there is a possible out-of-bound write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-123583388.

Vulnerability class: Buffer Overflow

EPSS: 0.006 (43.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Android — versions Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9
Google Android — versions 7.0, 7.1.1, 7.1.2

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

security@android.com (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2019-2099?: CVE-2019-2099 is a high-severity vulnerability in Android, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-06-07.
How severe is CVE-2019-2099?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2019-2099 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.