CVE-2016-5672

Severity: high (CVSS 8.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-08-01 · updated 2026-06-17
Weakness: CWE-20

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

Intel Crosswalk: through 19.49.514.4

References

http://packetstormsecurity.com/files/138107/Intel-Crosswalk-Project-Man-In-The-Middle.html
http://www.kb.cert.org/vuls/id/217871
http://www.securityfocus.com/archive/1/539051/100/0/threaded
http://www.securityfocus.com/bid/92199
https://blogs.intel.com/evangelists/2016/07/28/crosswalk-security-vulnerability/
https://crosswalk-project.org/jira/browse/XWALK-6986
https://lists.crosswalk-project.org/pipermail/crosswalk-help/2016-July/002167.html
https://wwws.nightwatchcybersecurity.com/2016/07/29/advisory-intel-crosswalk-ssl-prompt-issue
http://packetstormsecurity.com/files/138107/Intel-Crosswalk-Project-Man-In-The-Middle.html
http://www.kb.cert.org/vuls/id/217871
http://www.securityfocus.com/archive/1/539051/100/0/threaded
http://www.securityfocus.com/bid/92199

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