CVE-2017-7143

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-10-23 · updated 2026-06-17
Weakness: CWE-319

Description

An issue was discovered in certain Apple products. macOS before 10.13 is affected. The issue involves the "Captive Network Assistant" component. It allows remote attackers to discover cleartext passwords in opportunistic circumstances by sniffing the network during use of the captive portal browser, which has a UI error that can lead to cleartext transmission without the user's awareness.

Affected products

macOS: through 10.12.6

References

http://www.securityfocus.com/bid/100993
http://www.securitytracker.com/id/1039427
https://support.apple.com/HT208144
http://www.securityfocus.com/bid/100993
http://www.securitytracker.com/id/1039427
https://support.apple.com/HT208144

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