CVE-2022-31746 - Vulnerability Details - OpenCVE

Internal URLs are protected by a secret UUID key, which could have been leaked to web page through the Referrer header. This vulnerability affects Firefox for iOS < 102.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00412.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Mozilla Subscribe	Firefox Mobile Subscribe

Configuration 1 [-]

cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:iphone_os:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2022-53144	Internal URLs are protected by a secret UUID key, which could have been leaked to web page through the Referrer header. This vulnerability affects Firefox for iOS < 102.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://bugzilla.mozilla.org/show_bug.cgi?id=1654416
https://www.mozilla.org/security/advisories/mfsa2022-27/

History

Wed, 19 Aug 2026 15:45:00 +0000

Type	Values Removed	Values Added
First Time appeared		Mozilla firefox Mobile
CPEs	cpe:2.3:a:mozilla:firefox::::::iphone_os::*	cpe:2.3:a:mozilla:firefox_mobile::::::iphone_os::*
Vendors & Products	Mozilla firefox	Mozilla firefox Mobile

Tue, 15 Apr 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2022-12-22T00:00:00.000Z

Updated: 2025-04-15T18:24:39.294Z

Reserved: 2022-05-26T00:00:00.000Z

Link: CVE-2022-31746

Vulnrichment

Updated: 2024-08-03T07:26:01.033Z

NVD

Status : Modified

Published: 2022-12-22T20:15:30.183

Modified: 2026-08-19T15:30:33.807

Link: CVE-2022-31746

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-200

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-31746", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "dateUpdated": "2025-04-15T18:24:39.294Z", "dateReserved": "2022-05-26T00:00:00.000Z", "datePublished": "2022-12-22T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2022-12-22T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "Internal URLs are protected by a secret UUID key, which could have been leaked to web page through the Referrer header. This vulnerability affects Firefox for iOS < 102."}], "affected": [{"vendor": "Mozilla", "product": "Firefox for iOS", "versions": [{"version": "unspecified", "lessThan": "102", "status": "affected", "versionType": "custom"}]}], "references": [{"url": "https://www.mozilla.org/security/advisories/mfsa2022-27/"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1654416"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "Privileged internal URL protection could be bypassed through referrer header."}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T07:26:01.033Z"}, "title": "CVE Program Container", "references": [{"url": "https://www.mozilla.org/security/advisories/mfsa2022-27/", "tags": ["x_transferred"]}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1654416", "tags": ["x_transferred"]}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-200", "lang": "en", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"}]}], "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1654416", "tags": ["exploit"]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-04-15T18:23:57.422499Z", "id": "CVE-2022-31746", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-15T18:24:39.294Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.mozilla.org/security/advisories/mfsa2022-27/", "tags": ["x_transferred"]}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1654416", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T07:26:01.033Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-31746", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-15T18:23:57.422499Z"}}}], "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1654416", "tags": ["exploit"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-200", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-15T18:23:39.496Z"}}], "cna": {"affected": [{"vendor": "Mozilla", "product": "Firefox for iOS", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "102", "versionType": "custom"}]}], "references": [{"url": "https://www.mozilla.org/security/advisories/mfsa2022-27/"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1654416"}], "descriptions": [{"lang": "en", "value": "Internal URLs are protected by a secret UUID key, which could have been leaked to web page through the Referrer header. This vulnerability affects Firefox for iOS < 102."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "Privileged internal URL protection could be bypassed through referrer header."}]}], "providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2022-12-22T00:00:00.000Z"}}}, "cveMetadata": {"cveId": "CVE-2022-31746", "state": "PUBLISHED", "dateUpdated": "2025-04-15T18:24:39.294Z", "dateReserved": "2022-05-26T00:00:00.000Z", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "datePublished": "2022-12-22T00:00:00.000Z", "assignerShortName": "mozilla"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "Firefox for iOS", "vendor": "Mozilla", "versions": [{"lessThan": "102", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "[email protected]"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:iphone_os:*:*", "matchCriteriaId": "E747EC76-1C9F-4E03-BAAA-BF297A8A4F3D", "versionEndExcluding": "102.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Internal URLs are protected by a secret UUID key, which could have been leaked to web page through the Referrer header. This vulnerability affects Firefox for iOS < 102."}, {"lang": "es", "value": "Las URL internas est\u00e1n protegidas por una clave UUID secreta, que podr\u00eda haberse filtrado a la p\u00e1gina web a trav\u00e9s del encabezado Referrer. Esta vulnerabilidad afecta a Firefox para iOS < 102."}], "id": "CVE-2022-31746", "lastModified": "2026-08-19T15:30:33.807", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-31746", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-15T18:23:57.422499Z", "version": "2.0.3"}}]}, "published": "2022-12-22T20:15:30.183", "references": [{"source": "[email protected]", "tags": ["Issue Tracking"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1654416"}, {"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2022-27/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1654416"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2022-27/"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Issue Tracking"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1654416"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "[email protected]", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-200"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}