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Vulnerability details: VCID-4x9u-r2c9-aaap
Vulnerability ID VCID-4x9u-r2c9-aaap
Aliases CVE-2020-15683
Summary Mozilla developers and community members reported memory safety bugs present in Firefox 81 and Firefox ESR 78.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.4, Firefox < 82, and Thunderbird < 78.4.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-787 Out-of-bounds Write
CWE-416 Use After Free
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-15683.html
rhas Important https://access.redhat.com/errata/RHSA-2020:4310
rhas Important https://access.redhat.com/errata/RHSA-2020:4311
rhas Important https://access.redhat.com/errata/RHSA-2020:4315
rhas Important https://access.redhat.com/errata/RHSA-2020:4317
rhas Important https://access.redhat.com/errata/RHSA-2020:4330
rhas Important https://access.redhat.com/errata/RHSA-2020:4909
rhas Important https://access.redhat.com/errata/RHSA-2020:4913
rhas Important https://access.redhat.com/errata/RHSA-2020:4944
rhas Important https://access.redhat.com/errata/RHSA-2020:4945
rhas Important https://access.redhat.com/errata/RHSA-2020:4947
rhas Important https://access.redhat.com/errata/RHSA-2020:4948
cvssv3 9.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-15683.json
epss 0.00762 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
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epss 0.00762 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.00762 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.00963 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
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epss 0.00963 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
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epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
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epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
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epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
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epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.01566 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
epss 0.03864 https://api.first.org/data/v1/epss?cve=CVE-2020-15683
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=1889932
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15683
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15969
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-15683
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2020-15683
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2020-15683
archlinux Critical https://security.archlinux.org/AVG-1256
generic_textual Medium https://ubuntu.com/security/notices/USN-4599-1
generic_textual Medium https://ubuntu.com/security/notices/USN-4599-2
generic_textual Medium https://ubuntu.com/security/notices/USN-4647-1
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-45
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2020-45/#CVE-2020-15683
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-46
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-47
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2020-47/#CVE-2020-15683
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00057.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00062.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-15683.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-15683.json
https://api.first.org/data/v1/epss?cve=CVE-2020-15683
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1576843%2C1656987%2C1660954%2C1662760%2C1663439%2C1666140
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15683
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15969
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2020/10/msg00027.html
https://security.gentoo.org/glsa/202010-08
https://ubuntu.com/security/notices/USN-4599-1
https://ubuntu.com/security/notices/USN-4599-2
https://ubuntu.com/security/notices/USN-4647-1
https://www.debian.org/security/2020/dsa-4780
https://www.mozilla.org/en-US/security/advisories/mfsa2020-45/#CVE-2020-15683
https://www.mozilla.org/en-US/security/advisories/mfsa2020-47/#CVE-2020-15683
https://www.mozilla.org/security/advisories/mfsa2020-45/
https://www.mozilla.org/security/advisories/mfsa2020-46/
https://www.mozilla.org/security/advisories/mfsa2020-47/
1889932 https://bugzilla.redhat.com/show_bug.cgi?id=1889932
ASA-202011-1 https://security.archlinux.org/ASA-202011-1
AVG-1256 https://security.archlinux.org/AVG-1256
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:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
CVE-2020-15683 https://nvd.nist.gov/vuln/detail/CVE-2020-15683
mfsa2020-45 https://www.mozilla.org/en-US/security/advisories/mfsa2020-45
mfsa2020-46 https://www.mozilla.org/en-US/security/advisories/mfsa2020-46
mfsa2020-47 https://www.mozilla.org/en-US/security/advisories/mfsa2020-47
RHSA-2020:4310 https://access.redhat.com/errata/RHSA-2020:4310
RHSA-2020:4311 https://access.redhat.com/errata/RHSA-2020:4311
RHSA-2020:4315 https://access.redhat.com/errata/RHSA-2020:4315
RHSA-2020:4317 https://access.redhat.com/errata/RHSA-2020:4317
RHSA-2020:4330 https://access.redhat.com/errata/RHSA-2020:4330
RHSA-2020:4909 https://access.redhat.com/errata/RHSA-2020:4909
RHSA-2020:4913 https://access.redhat.com/errata/RHSA-2020:4913
RHSA-2020:4944 https://access.redhat.com/errata/RHSA-2020:4944
RHSA-2020:4945 https://access.redhat.com/errata/RHSA-2020:4945
RHSA-2020:4947 https://access.redhat.com/errata/RHSA-2020:4947
RHSA-2020:4948 https://access.redhat.com/errata/RHSA-2020:4948
USN-4599-1 https://usn.ubuntu.com/4599-1/
USN-4599-2 https://usn.ubuntu.com/4599-2/
USN-4647-1 https://usn.ubuntu.com/4647-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-15683.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:H/I:H/A:H 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:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-15683
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:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-15683
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:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-15683
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 0.80968
EPSS Score 0.00762
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.