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Vulnerability details: VCID-w744-7m29-wfhy
Vulnerability ID VCID-w744-7m29-wfhy
Aliases CVE-2019-11717
Summary A vulnerability exists where the caret ("^") character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-116 Improper Encoding or Escaping of Output
CWE-138 Improper Neutralization of Special Elements
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-11717.json
epss 0.05027 https://api.first.org/data/v1/epss?cve=CVE-2019-11717
epss 0.05027 https://api.first.org/data/v1/epss?cve=CVE-2019-11717
epss 0.05027 https://api.first.org/data/v1/epss?cve=CVE-2019-11717
epss 0.05027 https://api.first.org/data/v1/epss?cve=CVE-2019-11717
epss 0.05027 https://api.first.org/data/v1/epss?cve=CVE-2019-11717
epss 0.05027 https://api.first.org/data/v1/epss?cve=CVE-2019-11717
epss 0.05027 https://api.first.org/data/v1/epss?cve=CVE-2019-11717
epss 0.05027 https://api.first.org/data/v1/epss?cve=CVE-2019-11717
epss 0.05027 https://api.first.org/data/v1/epss?cve=CVE-2019-11717
epss 0.05027 https://api.first.org/data/v1/epss?cve=CVE-2019-11717
epss 0.05027 https://api.first.org/data/v1/epss?cve=CVE-2019-11717
epss 0.05027 https://api.first.org/data/v1/epss?cve=CVE-2019-11717
epss 0.05027 https://api.first.org/data/v1/epss?cve=CVE-2019-11717
cvssv3.1 6.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2019-11717
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2019-11717
archlinux Critical https://security.archlinux.org/AVG-1002
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2019-21
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2019-22
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2019-23
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2019-28
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-11717.json
https://api.first.org/data/v1/epss?cve=CVE-2019-11717
https://bugzilla.mozilla.org/show_bug.cgi?id=1548306
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11709
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11711
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11712
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11713
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11715
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11717
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11730
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9811
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2019/08/msg00001.html
https://lists.debian.org/debian-lts-announce/2019/08/msg00002.html
https://security.gentoo.org/glsa/201908-20
https://www.mozilla.org/security/advisories/mfsa2019-21/
https://www.mozilla.org/security/advisories/mfsa2019-22/
https://www.mozilla.org/security/advisories/mfsa2019-23/
1728435 https://bugzilla.redhat.com/show_bug.cgi?id=1728435
ASA-201907-4 https://security.archlinux.org/ASA-201907-4
AVG-1002 https://security.archlinux.org/AVG-1002
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:a:novell:suse_package_hub_for_suse_linux_enterprise:12:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:novell:suse_package_hub_for_suse_linux_enterprise:12:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
CVE-2019-11717 https://nvd.nist.gov/vuln/detail/CVE-2019-11717
mfsa2019-21 https://www.mozilla.org/en-US/security/advisories/mfsa2019-21
mfsa2019-22 https://www.mozilla.org/en-US/security/advisories/mfsa2019-22
mfsa2019-23 https://www.mozilla.org/en-US/security/advisories/mfsa2019-23
mfsa2019-28 https://www.mozilla.org/en-US/security/advisories/mfsa2019-28
RHSA-2019:1763 https://access.redhat.com/errata/RHSA-2019:1763
RHSA-2019:1764 https://access.redhat.com/errata/RHSA-2019:1764
RHSA-2019:1765 https://access.redhat.com/errata/RHSA-2019:1765
RHSA-2019:1775 https://access.redhat.com/errata/RHSA-2019:1775
RHSA-2019:1777 https://access.redhat.com/errata/RHSA-2019:1777
RHSA-2019:1799 https://access.redhat.com/errata/RHSA-2019:1799
USN-4054-1 https://usn.ubuntu.com/4054-1/
USN-4064-1 https://usn.ubuntu.com/4064-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-11717.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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-11717
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-11717
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 0.89325
EPSS Score 0.05027
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:57.262352+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2019/mfsa2019-22.yml 37.0.0