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Vulnerability details: VCID-jmyx-8tka-93a2
Vulnerability ID VCID-jmyx-8tka-93a2
Aliases CVE-2022-39251
GHSA-r48r-j8fx-mq2c
Summary Thunderbird users who use the Matrix chat protocol were vulnerable to an impersonation attack. An adversary could spoof historical messages from other users. Additionally, a malicious key backup to the user's account under certain unusual conditions in order to exfiltrate message keys.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-287 Improper Authentication
CWE-322 Key Exchange without Entity Authentication
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-39251.json
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00143 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00147 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00147 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
epss 0.00147 https://api.first.org/data/v1/epss?cve=CVE-2022-39251
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-r48r-j8fx-mq2c
cvssv3.1 8.6 https://github.com/matrix-org/matrix-js-sdk
generic_textual HIGH https://github.com/matrix-org/matrix-js-sdk
cvssv3.1 8.6 https://github.com/matrix-org/matrix-js-sdk/commit/a587d7c36026fe1fcf93dfff63588abee359be76
generic_textual HIGH https://github.com/matrix-org/matrix-js-sdk/commit/a587d7c36026fe1fcf93dfff63588abee359be76
ssvc Track https://github.com/matrix-org/matrix-js-sdk/commit/a587d7c36026fe1fcf93dfff63588abee359be76
cvssv3.1 8.6 https://github.com/matrix-org/matrix-js-sdk/releases/tag/v19.7.0
generic_textual HIGH https://github.com/matrix-org/matrix-js-sdk/releases/tag/v19.7.0
ssvc Track https://github.com/matrix-org/matrix-js-sdk/releases/tag/v19.7.0
cvssv3.1 8.6 https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-r48r-j8fx-mq2c
cvssv3.1_qr HIGH https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-r48r-j8fx-mq2c
generic_textual HIGH https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-r48r-j8fx-mq2c
ssvc Track https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-r48r-j8fx-mq2c
cvssv3.1 8.6 https://matrix.org/blog/2022/09/28/upgrade-now-to-address-encryption-vulns-in-matrix-sdks-and-clients
generic_textual HIGH https://matrix.org/blog/2022/09/28/upgrade-now-to-address-encryption-vulns-in-matrix-sdks-and-clients
ssvc Track https://matrix.org/blog/2022/09/28/upgrade-now-to-address-encryption-vulns-in-matrix-sdks-and-clients
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2022-39251
cvssv3.1 8.6 https://nvd.nist.gov/vuln/detail/CVE-2022-39251
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2022-39251
cvssv3.1 8.6 https://security.gentoo.org/glsa/202210-35
generic_textual HIGH https://security.gentoo.org/glsa/202210-35
ssvc Track https://security.gentoo.org/glsa/202210-35
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-43
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-39251.json
https://api.first.org/data/v1/epss?cve=CVE-2022-39251
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-39251
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/commit/a587d7c36026fe1fcf93dfff63588abee359be76
https://github.com/matrix-org/matrix-js-sdk/releases/tag/v19.7.0
https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-r48r-j8fx-mq2c
https://matrix.org/blog/2022/09/28/upgrade-now-to-address-encryption-vulns-in-matrix-sdks-and-clients
https://nvd.nist.gov/vuln/detail/CVE-2022-39251
https://security.gentoo.org/glsa/202210-35
1021136 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1021136
2135396 https://bugzilla.redhat.com/show_bug.cgi?id=2135396
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-r48r-j8fx-mq2c https://github.com/advisories/GHSA-r48r-j8fx-mq2c
mfsa2022-43 https://www.mozilla.org/en-US/security/advisories/mfsa2022-43
RHSA-2022:7178 https://access.redhat.com/errata/RHSA-2022:7178
RHSA-2022:7181 https://access.redhat.com/errata/RHSA-2022:7181
RHSA-2022:7182 https://access.redhat.com/errata/RHSA-2022:7182
RHSA-2022:7183 https://access.redhat.com/errata/RHSA-2022:7183
RHSA-2022:7184 https://access.redhat.com/errata/RHSA-2022:7184
RHSA-2022:7190 https://access.redhat.com/errata/RHSA-2022:7190
USN-5724-1 https://usn.ubuntu.com/5724-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-39251.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:H/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: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N 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

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:C/C:N/I:H/A:N Found at https://github.com/matrix-org/matrix-js-sdk/commit/a587d7c36026fe1fcf93dfff63588abee359be76
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/2025-04-23T15:51:00Z/ Found at https://github.com/matrix-org/matrix-js-sdk/commit/a587d7c36026fe1fcf93dfff63588abee359be76
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N Found at https://github.com/matrix-org/matrix-js-sdk/releases/tag/v19.7.0
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/2025-04-23T15:51:00Z/ Found at https://github.com/matrix-org/matrix-js-sdk/releases/tag/v19.7.0
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N Found at https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-r48r-j8fx-mq2c
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/2025-04-23T15:51:00Z/ Found at https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-r48r-j8fx-mq2c
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N Found at https://matrix.org/blog/2022/09/28/upgrade-now-to-address-encryption-vulns-in-matrix-sdks-and-clients
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/2025-04-23T15:51:00Z/ Found at https://matrix.org/blog/2022/09/28/upgrade-now-to-address-encryption-vulns-in-matrix-sdks-and-clients
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2022-39251
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:C/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2022-39251
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:C/C:N/I:H/A:N Found at https://security.gentoo.org/glsa/202210-35
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/2025-04-23T15:51:00Z/ Found at https://security.gentoo.org/glsa/202210-35
Exploit Prediction Scoring System (EPSS)
Percentile 0.353
EPSS Score 0.00143
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:10:05.266528+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2022/mfsa2022-43.yml 37.0.0