CVE-2016-0818 json
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…
published 2016-03-12 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-0829
- cvss
- 5.9
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 19%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- android Ubuntu 16.04 LTS 20160307-0742-0ubuntu3
ubuntu advisories UBUNTU-CVE-2016-0818
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Exploit prediction
0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
References
- android.googlesource.com /platform/external/conscrypt/+/4c9f9c2201116acf790fca25af43995d29980ee0
- android.googlesource.com /platform/external/conscrypt/+/c4ab1b959280413fb11bf4fd7f6b4c2ba38bd779
-
source.android.com
/security/bulletin/2016-03-01.html
vendor-advisory
-
securityfocus.com
/bid/84245
vdb-entry
Sources
- CVE List CVE-2016-0818
- NVD CVE-2016-0818
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.