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Vulnerability details: VCID-7afj-kkdv-zbez
Vulnerability ID VCID-7afj-kkdv-zbez
Aliases CVE-2017-6519
Summary avahi: Multicast DNS responds to unicast queries outside of local network
Status Published
Exploitability 0.5
Weighted Severity 8.2
Risk 4.1
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-346 Origin Validation Error
System Score Found at
cvssv3 5.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-6519.json
epss 0.01134 https://api.first.org/data/v1/epss?cve=CVE-2017-6519
epss 0.01134 https://api.first.org/data/v1/epss?cve=CVE-2017-6519
epss 0.01134 https://api.first.org/data/v1/epss?cve=CVE-2017-6519
epss 0.01134 https://api.first.org/data/v1/epss?cve=CVE-2017-6519
epss 0.01134 https://api.first.org/data/v1/epss?cve=CVE-2017-6519
epss 0.01134 https://api.first.org/data/v1/epss?cve=CVE-2017-6519
epss 0.01134 https://api.first.org/data/v1/epss?cve=CVE-2017-6519
epss 0.01134 https://api.first.org/data/v1/epss?cve=CVE-2017-6519
epss 0.01134 https://api.first.org/data/v1/epss?cve=CVE-2017-6519
cvssv3.1 9.1 https://bugzilla.redhat.com/show_bug.cgi?id=1426712
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=1426712
cvssv3.1 5.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 9.1 https://github.com/lathiat/avahi/issues/203
ssvc Track https://github.com/lathiat/avahi/issues/203
cvssv3.1 9.1 https://github.com/lathiat/avahi/issues/203#issuecomment-449536790
ssvc Track https://github.com/lathiat/avahi/issues/203#issuecomment-449536790
cvssv3.1 9.1 https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
ssvc Track https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
cvssv2 6.4 https://nvd.nist.gov/vuln/detail/CVE-2017-6519
cvssv3 9.1 https://nvd.nist.gov/vuln/detail/CVE-2017-6519
cvssv3.1 9.1 https://nvd.nist.gov/vuln/detail/CVE-2017-6519
cvssv3.1 9.1 https://usn.ubuntu.com/3876-1/
ssvc Track https://usn.ubuntu.com/3876-1/
cvssv3.1 9.1 https://usn.ubuntu.com/3876-2/
ssvc Track https://usn.ubuntu.com/3876-2/
cvssv3.1 9.1 https://www.secfu.net/advisories
ssvc Track https://www.secfu.net/advisories
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-6519.json
https://api.first.org/data/v1/epss?cve=CVE-2017-6519
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6519
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/lathiat/avahi/issues/203
https://github.com/lathiat/avahi/issues/203#issuecomment-449536790
https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
https://www.secfu.net/advisories
1426712 https://bugzilla.redhat.com/show_bug.cgi?id=1426712
917047 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=917047
cpe:2.3:a:avahi:avahi:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:avahi:avahi:*:*:*:*:*:*:*:*
cpe:2.3:a:avahi:avahi:0.7:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:avahi:avahi:0.7:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
CVE-2017-6519 https://nvd.nist.gov/vuln/detail/CVE-2017-6519
RHSA-2020:1176 https://access.redhat.com/errata/RHSA-2020:1176
USN-3876-1 https://usn.ubuntu.com/3876-1/
USN-3876-2 https://usn.ubuntu.com/3876-2/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-6519.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:N/S:U/C:H/I:N/A:H Found at https://bugzilla.redhat.com/show_bug.cgi?id=1426712
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: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-12-03T21:57:26Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=1426712
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L 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: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Found at https://github.com/lathiat/avahi/issues/203
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: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-12-03T21:57:26Z/ Found at https://github.com/lathiat/avahi/issues/203
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Found at https://github.com/lathiat/avahi/issues/203#issuecomment-449536790
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: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-12-03T21:57:26Z/ Found at https://github.com/lathiat/avahi/issues/203#issuecomment-449536790
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Found at https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
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: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-12-03T21:57:26Z/ Found at https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2017-6519
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:N/S:U/C:H/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-6519
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:N/S:U/C:H/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-6519
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:N/S:U/C:H/I:N/A:H Found at https://usn.ubuntu.com/3876-1/
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: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-12-03T21:57:26Z/ Found at https://usn.ubuntu.com/3876-1/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Found at https://usn.ubuntu.com/3876-2/
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: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-12-03T21:57:26Z/ Found at https://usn.ubuntu.com/3876-2/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Found at https://www.secfu.net/advisories
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: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-12-03T21:57:26Z/ Found at https://www.secfu.net/advisories
Exploit Prediction Scoring System (EPSS)
Percentile 0.78301
EPSS Score 0.01134
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T14:42:12.749060+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-6519.json 38.0.0