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Vulnerability details: VCID-c1j3-dnkk-jyfu
Vulnerability ID VCID-c1j3-dnkk-jyfu
Aliases CVE-2023-28427
GHSA-mwq8-fjpf-c2gr
Summary Thunderbird users who use the Matrix chat protocol were vulnerable to a denial-of-service attack.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-28427.json
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
epss 0.00272 https://api.first.org/data/v1/epss?cve=CVE-2023-28427
cvssv3.1 8.2 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-mwq8-fjpf-c2gr
cvssv3.1 8.2 https://github.com/matrix-org/matrix-js-sdk
generic_textual HIGH https://github.com/matrix-org/matrix-js-sdk
cvssv3.1 8.2 https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-mwq8-fjpf-c2gr
cvssv3.1_qr HIGH https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-mwq8-fjpf-c2gr
generic_textual HIGH https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-mwq8-fjpf-c2gr
ssvc Track https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-mwq8-fjpf-c2gr
cvssv3.1 8.2 https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-rfv9-x7hh-xc32
generic_textual HIGH https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-rfv9-x7hh-xc32
cvssv3.1 8.2 https://lists.debian.org/debian-lts-announce/2023/04/msg00027.html
generic_textual HIGH https://lists.debian.org/debian-lts-announce/2023/04/msg00027.html
ssvc Track https://lists.debian.org/debian-lts-announce/2023/04/msg00027.html
cvssv3.1 8.2 https://matrix.org/blog/2023/03/28/security-releases-matrix-js-sdk-24-0-0-and-matrix-react-sdk-3-69-0
generic_textual HIGH https://matrix.org/blog/2023/03/28/security-releases-matrix-js-sdk-24-0-0-and-matrix-react-sdk-3-69-0
ssvc Track https://matrix.org/blog/2023/03/28/security-releases-matrix-js-sdk-24-0-0-and-matrix-react-sdk-3-69-0
cvssv3.1 8.2 https://nvd.nist.gov/vuln/detail/CVE-2023-28427
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2023-28427
cvssv3.1 8.2 https://security.gentoo.org/glsa/202305-36
generic_textual HIGH https://security.gentoo.org/glsa/202305-36
ssvc Track https://security.gentoo.org/glsa/202305-36
cvssv3.1 8.2 https://www.debian.org/security/2023/dsa-5392
generic_textual HIGH https://www.debian.org/security/2023/dsa-5392
ssvc Track https://www.debian.org/security/2023/dsa-5392
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2023-12
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-28427.json
https://api.first.org/data/v1/epss?cve=CVE-2023-28427
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0547
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1945
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1999
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28427
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29479
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29533
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29535
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29536
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29539
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29541
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29548
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29550
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/matrix-org/matrix-js-sdk
https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-mwq8-fjpf-c2gr
https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-rfv9-x7hh-xc32
https://lists.debian.org/debian-lts-announce/2023/04/msg00027.html
https://matrix.org/blog/2023/03/28/security-releases-matrix-js-sdk-24-0-0-and-matrix-react-sdk-3-69-0
https://nvd.nist.gov/vuln/detail/CVE-2023-28427
https://security.gentoo.org/glsa/202305-36
https://www.debian.org/security/2023/dsa-5392
1033621 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1033621
2183278 https://bugzilla.redhat.com/show_bug.cgi?id=2183278
cpe:2.3:a:matrix:javascript_sdk:*:*:*:*:*:node.js:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:matrix:javascript_sdk:*:*:*:*:*:node.js:*:*
GHSA-mwq8-fjpf-c2gr https://github.com/advisories/GHSA-mwq8-fjpf-c2gr
mfsa2023-12 https://www.mozilla.org/en-US/security/advisories/mfsa2023-12
RHSA-2023:1802 https://access.redhat.com/errata/RHSA-2023:1802
RHSA-2023:1803 https://access.redhat.com/errata/RHSA-2023:1803
RHSA-2023:1804 https://access.redhat.com/errata/RHSA-2023:1804
RHSA-2023:1805 https://access.redhat.com/errata/RHSA-2023:1805
RHSA-2023:1806 https://access.redhat.com/errata/RHSA-2023:1806
RHSA-2023:1809 https://access.redhat.com/errata/RHSA-2023:1809
RHSA-2023:1810 https://access.redhat.com/errata/RHSA-2023:1810
RHSA-2023:1811 https://access.redhat.com/errata/RHSA-2023:1811
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-28427.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:N/I:L/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

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H Found at https://github.com/matrix-org/matrix-js-sdk
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

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none

required

unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H Found at https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-mwq8-fjpf-c2gr
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

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low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-02-18T20:03:37Z/ Found at https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-mwq8-fjpf-c2gr
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H Found at https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-rfv9-x7hh-xc32
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:N/I:L/A:H Found at https://lists.debian.org/debian-lts-announce/2023/04/msg00027.html
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

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low

none

high

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none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-02-18T20:03:37Z/ Found at https://lists.debian.org/debian-lts-announce/2023/04/msg00027.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H Found at https://matrix.org/blog/2023/03/28/security-releases-matrix-js-sdk-24-0-0-and-matrix-react-sdk-3-69-0
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/2025-02-18T20:03:37Z/ Found at https://matrix.org/blog/2023/03/28/security-releases-matrix-js-sdk-24-0-0-and-matrix-react-sdk-3-69-0
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2023-28427
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

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H Found at https://security.gentoo.org/glsa/202305-36
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/2025-02-18T20:03:37Z/ Found at https://security.gentoo.org/glsa/202305-36
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H Found at https://www.debian.org/security/2023/dsa-5392
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/2025-02-18T20:03:37Z/ Found at https://www.debian.org/security/2023/dsa-5392
Exploit Prediction Scoring System (EPSS)
Percentile 0.50416
EPSS Score 0.00272
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:37.993325+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2023/mfsa2023-12.yml 37.0.0