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Vulnerability record · CVE-2017-6410 · published 2 March 2017

CVE-2017-6410: Kdelibs cleartext transmission vulnerability

Kde · Kdelibs

kpac/script.cpp in KDE kio before 5.32 and kdelibs before 4.14.30 calls the PAC FindProxyForURL function with a full https URL (potentially including Basic Authentication credentials, a query string, or PATH_INFO), which allows remote attackers to obtain sensitive information via a crafted PAC file.

5.5 CVSS 3.0 Medium EPSS 0.83% · top 44.2% CWE-319 · Cleartext transmission
5.5CVSS 3.0 base score, v2 4.3
0.83%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

kpac/script.cpp in KDE kio before 5.32 and kdelibs before 4.14.30 calls the PAC FindProxyForURL function with a full https URL (potentially including Basic Authentication credentials, a query string, or PATH_INFO), which allows remote attackers to obtain sensitive information via a crafted PAC file.

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.debian.org/security/2017/dsa-3849
http://www.securityfocus.com/bid/96515
https://www.kde.org/info/security/advisory-20170228-1.txt PatchVendor Advisory
http://www.debian.org/security/2017/dsa-3849
http://www.securityfocus.com/bid/96515
https://www.kde.org/info/security/advisory-20170228-1.txt PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-6410), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.