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Vulnerability details: VCID-ceca-hscj-aaar
Vulnerability ID VCID-ceca-hscj-aaar
Aliases CVE-2023-23602
Summary A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-754 Improper Check for Unusual or Exceptional Conditions
CWE-1385 Missing Origin Validation in WebSockets
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-23602.json
epss 0.00080 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00080 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00083 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00083 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00100 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00110 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00110 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00110 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00110 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00110 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00110 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00110 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00110 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00110 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00110 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00110 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
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epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.00125 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
epss 0.0028 https://api.first.org/data/v1/epss?cve=CVE-2023-23602
cvssv3.1 6.5 https://bugzilla.mozilla.org/show_bug.cgi?id=1800890
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1800890
cvssv3.1 6.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2023-23602
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2023-23602
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2023-01
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2023-02
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2023-03
cvssv3.1 6.5 https://www.mozilla.org/security/advisories/mfsa2023-01/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2023-01/
cvssv3.1 6.5 https://www.mozilla.org/security/advisories/mfsa2023-02/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2023-02/
cvssv3.1 6.5 https://www.mozilla.org/security/advisories/mfsa2023-03/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2023-03/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-23602.json
https://api.first.org/data/v1/epss?cve=CVE-2023-23602
https://bugzilla.mozilla.org/show_bug.cgi?id=1800890
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-46871
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-46877
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0430
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0616
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0767
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23598
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23601
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23602
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23603
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23605
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25728
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25729
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25730
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25732
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25735
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25737
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25739
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25742
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25744
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25746
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.mozilla.org/security/advisories/mfsa2023-01/
https://www.mozilla.org/security/advisories/mfsa2023-02/
https://www.mozilla.org/security/advisories/mfsa2023-03/
2162341 https://bugzilla.redhat.com/show_bug.cgi?id=2162341
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:*:*:*:*:*:*:*:*
CVE-2023-23602 https://nvd.nist.gov/vuln/detail/CVE-2023-23602
mfsa2023-01 https://www.mozilla.org/en-US/security/advisories/mfsa2023-01
mfsa2023-02 https://www.mozilla.org/en-US/security/advisories/mfsa2023-02
mfsa2023-03 https://www.mozilla.org/en-US/security/advisories/mfsa2023-03
RHSA-2023:0285 https://access.redhat.com/errata/RHSA-2023:0285
RHSA-2023:0286 https://access.redhat.com/errata/RHSA-2023:0286
RHSA-2023:0288 https://access.redhat.com/errata/RHSA-2023:0288
RHSA-2023:0289 https://access.redhat.com/errata/RHSA-2023:0289
RHSA-2023:0290 https://access.redhat.com/errata/RHSA-2023:0290
RHSA-2023:0294 https://access.redhat.com/errata/RHSA-2023:0294
RHSA-2023:0295 https://access.redhat.com/errata/RHSA-2023:0295
RHSA-2023:0296 https://access.redhat.com/errata/RHSA-2023:0296
RHSA-2023:0456 https://access.redhat.com/errata/RHSA-2023:0456
RHSA-2023:0457 https://access.redhat.com/errata/RHSA-2023:0457
RHSA-2023:0459 https://access.redhat.com/errata/RHSA-2023:0459
RHSA-2023:0460 https://access.redhat.com/errata/RHSA-2023:0460
RHSA-2023:0461 https://access.redhat.com/errata/RHSA-2023:0461
RHSA-2023:0462 https://access.redhat.com/errata/RHSA-2023:0462
RHSA-2023:0463 https://access.redhat.com/errata/RHSA-2023:0463
RHSA-2023:0476 https://access.redhat.com/errata/RHSA-2023:0476
USN-5816-1 https://usn.ubuntu.com/5816-1/
USN-5824-1 https://usn.ubuntu.com/5824-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-23602.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:R/S:U/C:N/I:H/A:N Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1800890
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:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-10T18:16:34Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1800890
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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: 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-2023-23602
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-2023-23602
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://www.mozilla.org/security/advisories/mfsa2023-01/
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:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-10T18:16:34Z/ Found at https://www.mozilla.org/security/advisories/mfsa2023-01/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://www.mozilla.org/security/advisories/mfsa2023-02/
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:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-10T18:16:34Z/ Found at https://www.mozilla.org/security/advisories/mfsa2023-02/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://www.mozilla.org/security/advisories/mfsa2023-03/
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:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-10T18:16:34Z/ Found at https://www.mozilla.org/security/advisories/mfsa2023-03/
Exploit Prediction Scoring System (EPSS)
Percentile 0.36423
EPSS Score 0.00080
Published At Dec. 27, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.