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
Published Mar 12, 2016
5.9
MEDIUMCVSS 3.0
EPSS 0.27%
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.
Affected products
No data.
- 4.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.1
- 4.1.2
- 4.2
- 4.2.1
- 4.2.2
- 4.3
- 4.3.1
- 4.4
- 4.4.1
- 4.4.2
- 4.4.3
- 5.0
- 5.0.1
- 5.0.2
- 5.1
- 5.1.0
- 5.1.1
- 6.0
- 6.0.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.27% (0.00268) | 17.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.27% (0.00268) | 18.20th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00083) | 21.85th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00095) | 41.73th | v3 (v2023.03.01) |
| Jul 13, 2024 | 0.10% (0.00095) | 40.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00095) | 38.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (4)
- http://source.android.com/security/bulletin/2016-03-01.html x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/84245 vdb-entryx_refsource_BID
- https://android.googlesource.com/platform/external/conscrypt/+/4c9f9c2201116acf790fca25af43995d29980ee0 x_refsource_CONFIRM
- https://android.googlesource.com/platform/external/conscrypt/+/c4ab1b959280413fb11bf4fd7f6b4c2ba38bd779 x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://source.android.com/security/bulletin/2016-03-01.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/84245 | vdb-entryx_refsource_BID | |
| https://android.googlesource.com/platform/external/conscrypt/+/4c9f9c2201116acf790fca25af43995d29980ee0 | x_refsource_CONFIRM | |
| https://android.googlesource.com/platform/external/conscrypt/+/c4ab1b959280413fb11bf4fd7f6b4c2ba38bd779 | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.