HIGH
Intel Crosswalk before 19.49.514.5, 20.x before 20.50.533.11, 21.x before 21.51.546.0, and 22.x before 22.51.549.0 interprets a user's acceptance of one invalid X.509 certificate to mean that all invalid X.509 certificates should be accepted without prompting, which makes it easier for man-in-the-middle attackers to spoof SSL servers and obtain sensitive information via a crafted certificate
Published Aug 1, 2016
8.1
HIGHCVSS 3.0
EPSS 1.74%
Description
Intel Crosswalk before 19.49.514.5, 20.x before 20.50.533.11, 21.x before 21.51.546.0, and 22.x before 22.51.549.0 interprets a user's acceptance of one invalid X.509 certificate to mean that all invalid X.509 certificates should be accepted without prompting, which makes it easier for man-in-the-middle attackers to spoof SSL servers and obtain sensitive information via a crafted certificate.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
8.1 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact None
5.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.74% 0.01736
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01736
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 | 1.74% (0.01736) | 76.85th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.74% (0.01736) | 74.66th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.39% (0.00389) | 57.96th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.44% (0.00444) | 75.75th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.31% (0.00313) | 69.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.31% (0.00313) | 65.45th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Oct 19, 2022 | 1.18% (0.01183) | 60.79th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.18% (0.01183) | 58.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.18% (0.01183) | 35.15th | v2 (v2022.01.01) |
Weaknesses (2)
References (8)
- http://packetstormsecurity.com/files/138107/Intel-Crosswalk-Project-Man-In-The-Middle.html x_refsource_MISCThird Party AdvisoryVDB Entry
- http://www.kb.cert.org/vuls/id/217871 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- http://www.securityfocus.com/archive/1/539051/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/92199 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://blogs.intel.com/evangelists/2016/07/28/crosswalk-security-vulnerability/ x_refsource_CONFIRMVendor Advisory
- https://crosswalk-project.org/jira/browse/XWALK-6986 x_refsource_MISCPermissions RequiredTechnical Description
- https://lists.crosswalk-project.org/pipermail/crosswalk-help/2016-July/002167.html mailing-listx_refsource_MLISTVendor Advisory
- https://wwws.nightwatchcybersecurity.com/2016/07/29/advisory-intel-crosswalk-ssl-prompt-issue x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/138107/Intel-Crosswalk-Project-Man-In-The-Middle.html | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| http://www.kb.cert.org/vuls/id/217871 | third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource | |
| http://www.securityfocus.com/archive/1/539051/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/92199 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://blogs.intel.com/evangelists/2016/07/28/crosswalk-security-vulnerability/ | x_refsource_CONFIRMVendor Advisory | |
| https://crosswalk-project.org/jira/browse/XWALK-6986 | x_refsource_MISCPermissions RequiredTechnical Description | |
| https://lists.crosswalk-project.org/pipermail/crosswalk-help/2016-July/002167.html | mailing-listx_refsource_MLISTVendor Advisory | |
| https://wwws.nightwatchcybersecurity.com/2016/07/29/advisory-intel-crosswalk-ssl-prompt-issue | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner certcc
Published Aug 1, 2016
Updated Aug 6, 2024
Reserved Jun 16, 2016
Link CVE-2016-5672
CISA Vulnrichment
Updated n/a