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Vulnerability details: VCID-3krs-k917-f7gr
Vulnerability ID VCID-3krs-k917-f7gr
Aliases CVE-2018-11713
Summary WebCore/platform/network/soup/SocketStreamHandleImplSoup.cpp in the libsoup network backend of WebKit, as used in WebKitGTK+ prior to version 2.20.0 or without libsoup 2.62.0, unexpectedly failed to use system proxy settings for WebSocket connections. As a result, users could be deanonymized by crafted web sites via a WebSocket connection.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
System Score Found at
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-11713.json
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
epss 0.00207 https://api.first.org/data/v1/epss?cve=CVE-2018-11713
cvssv3 5.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-11713
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2018-11713
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-11713.json
https://api.first.org/data/v1/epss?cve=CVE-2018-11713
https://bugs.webkit.org/show_bug.cgi?id=126384
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11713
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://trac.webkit.org/changeset/228088/webkit
1588739 https://bugzilla.redhat.com/show_bug.cgi?id=1588739
cpe:2.3:a:gnome:libsoup:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnome:libsoup:*:*:*:*:*:*:*:*
cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:*
CVE-2018-11713 https://nvd.nist.gov/vuln/detail/CVE-2018-11713
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-11713.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-11713
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-11713
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.43269
EPSS Score 0.00207
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T09:56:28.675073+00:00 NVD Importer Import https://nvd.nist.gov/vuln/detail/CVE-2018-11713 37.0.0