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Vulnerability details: VCID-1ujj-evb7-aaas
Vulnerability ID VCID-1ujj-evb7-aaas
Aliases CVE-2020-15654
Summary When in an endless loop, a website specifying a custom cursor using CSS could make it look like the user is interacting with the user interface, when they are not. This could lead to a perceived broken state, especially when interactions with existing browser dialogs and warnings do not work. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
CWE-451 User Interface (UI) Misrepresentation of Critical Information
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-15654.html
rhas Important https://access.redhat.com/errata/RHSA-2020:3555
rhas Important https://access.redhat.com/errata/RHSA-2020:3557
rhas Important https://access.redhat.com/errata/RHSA-2020:3559
rhas Important https://access.redhat.com/errata/RHSA-2020:4080
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-15654.json
epss 0.00193 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00193 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00193 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00193 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00408 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00408 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00408 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.00588 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
epss 0.01651 https://api.first.org/data/v1/epss?cve=CVE-2020-15654
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1861649
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15654
cvssv3.1 4.2 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-15654
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2020-15654
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2020-15654
archlinux High https://security.archlinux.org/AVG-1213
archlinux High https://security.archlinux.org/AVG-1214
generic_textual Medium https://ubuntu.com/security/notices/USN-4443-1
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-30
generic_textual Low https://www.mozilla.org/en-US/security/advisories/mfsa2020-30/#CVE-2020-15654
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-32
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-33
generic_textual Low https://www.mozilla.org/en-US/security/advisories/mfsa2020-33/#CVE-2020-15654
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-15654.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-15654.json
https://api.first.org/data/v1/epss?cve=CVE-2020-15654
https://bugzilla.mozilla.org/show_bug.cgi?id=1648333
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15654
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://ubuntu.com/security/notices/USN-4443-1
https://usn.ubuntu.com/4443-1/
https://www.mozilla.org/en-US/security/advisories/mfsa2020-30/#CVE-2020-15654
https://www.mozilla.org/en-US/security/advisories/mfsa2020-33/#CVE-2020-15654
https://www.mozilla.org/security/advisories/mfsa2020-30/
https://www.mozilla.org/security/advisories/mfsa2020-32/
https://www.mozilla.org/security/advisories/mfsa2020-33/
1861649 https://bugzilla.redhat.com/show_bug.cgi?id=1861649
AVG-1213 https://security.archlinux.org/AVG-1213
AVG-1214 https://security.archlinux.org/AVG-1214
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:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
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:20.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
CVE-2020-15654 https://nvd.nist.gov/vuln/detail/CVE-2020-15654
mfsa2020-30 https://www.mozilla.org/en-US/security/advisories/mfsa2020-30
mfsa2020-32 https://www.mozilla.org/en-US/security/advisories/mfsa2020-32
mfsa2020-33 https://www.mozilla.org/en-US/security/advisories/mfsa2020-33
RHSA-2020:3555 https://access.redhat.com/errata/RHSA-2020:3555
RHSA-2020:3557 https://access.redhat.com/errata/RHSA-2020:3557
RHSA-2020:3559 https://access.redhat.com/errata/RHSA-2020:3559
RHSA-2020:4080 https://access.redhat.com/errata/RHSA-2020:4080
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-15654.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:H/PR:N/UI:R/S:U/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:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-15654
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:R/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-15654
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:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-15654
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 0.56966
EPSS Score 0.00193
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.