CVE-2016-0818

medium

Description

The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49H, and 6.x before 2016-03-01 mishandles the distinction between an intermediate CA and a trusted root CA, which allows man-in-the-middle attackers to spoof servers by leveraging access to an intermediate CA to issue a certificate, aka internal bug 26232830.

References

https://android.googlesource.com/platform/external/conscrypt/+/c4ab1b959280413fb11bf4fd7f6b4c2ba38bd779

https://android.googlesource.com/platform/external/conscrypt/+/4c9f9c2201116acf790fca25af43995d29980ee0

http://www.securityfocus.com/bid/84245

http://source.android.com/security/bulletin/2016-03-01.html

Details

Source: Mitre, NVD

Published: 2016-03-12

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: Medium

EPSS

EPSS: 0.00083