OpenSSLCipher.java in Conscrypt in Android 6.x before 2016-05-01 mishandles updates of the Additional Authenticated Data (AAD) array, which allows attackers to spoof message authentication via unspecified vectors, aka internal bug 27371173.
https://android.googlesource.com/platform/external/conscrypt/+/8bec47d2184fca7e8b7337d2a65b2b75a9bc8f54
http://source.android.com/security/bulletin/2016-05-01.html
Source: Mitre, NVD
Published: 2016-05-09
Updated: 2026-06-17
Base Score: 7.6
Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 7
Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.00064