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Vulnerability details: VCID-1cnq-45w5-jqbm
Vulnerability ID VCID-1cnq-45w5-jqbm
Aliases CVE-2018-5179
Summary A service worker can send the "activate" event on itself periodically which allows it to run perpetually. This would allow any malicious activity, such as logging an IP address by the service worker, to occur in the background.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-5179.json
https://api.first.org/data/v1/epss?cve=CVE-2018-5179
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17462
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17463
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17464
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17465
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17466
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17467
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17468
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17469
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17470
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17471
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17472
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17473
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17474
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17475
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17476
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17477
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20071
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5179
https://www.mozilla.org/en-US/security/advisories/mfsa2018-11/
1640114 https://bugzilla.redhat.com/show_bug.cgi?id=1640114
ASA-201810-12 https://security.archlinux.org/ASA-201810-12
AVG-781 https://security.archlinux.org/AVG-781
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:*:*:*:*:*:*:*:*
CVE-2018-5179 https://nvd.nist.gov/vuln/detail/CVE-2018-5179
mfsa2018-11 https://www.mozilla.org/en-US/security/advisories/mfsa2018-11
RHSA-2018:3004 https://access.redhat.com/errata/RHSA-2018:3004
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-5179.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: AV:N/AC:L/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-5179
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:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-5179
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 0.56677
EPSS Score 0.00348
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:55.793861+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2018/mfsa2018-11.yml 37.0.0