CVE-2021-3734 - Vulnerability Details - OpenCVE

Description

yourls is vulnerable to Improper Restriction of Rendered UI Layers or Frames

Published: 2021-08-26

Score: 8.8 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

yourls

yourls/yourls

affected

Version	Status	Constraints
`unspecified`	affected	≤ 1.8.1

Configuration 1 [-]

cpe:2.3:a:yourls:yourls:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-1859	yourls is vulnerable to Improper Restriction of Rendered UI Layers or Frames
Github GHSA	GHSA-r6g8-jmj9-g945	Improper Restriction of Rendered UI Layers or Frames in yourls

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00151.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/yourls/yourls/commit/0a70acdcfb5fcbc63dbc5750018d608288eba3fe
https://huntr.dev/bounties/dd2e2dbe-efe5-49ec-be11-7a7e7c41debd

History

No history.

Subscriptions

Yourls Yourls

MITRE

Status: PUBLISHED

Assigner: @huntrdev

Published: 2021-08-26T12:48:50.000Z

Updated: 2024-08-03T17:01:08.346Z

Reserved: 2021-08-24T00:00:00.000Z

Link: CVE-2021-3734

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-08-26T13:15:08.677

Modified: 2024-11-21T06:22:16.937

Link: CVE-2021-3734

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

{"containers": {"cna": {"affected": [{"product": "yourls/yourls", "vendor": "yourls", "versions": [{"lessThanOrEqual": "1.8.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "yourls is vulnerable to Improper Restriction of Rendered UI Layers or Frames"}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1021", "description": "CWE-1021 Improper Restriction of Rendered UI Layers or Frames", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-08-26T12:48:50.000Z", "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "shortName": "@huntrdev"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://huntr.dev/bounties/dd2e2dbe-efe5-49ec-be11-7a7e7c41debd"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/yourls/yourls/commit/0a70acdcfb5fcbc63dbc5750018d608288eba3fe"}], "source": {"advisory": "dd2e2dbe-efe5-49ec-be11-7a7e7c41debd", "discovery": "EXTERNAL"}, "title": "Improper Restriction of Rendered UI Layers or Frames in yourls/yourls", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@huntr.dev", "ID": "CVE-2021-3734", "STATE": "PUBLIC", "TITLE": "Improper Restriction of Rendered UI Layers or Frames in yourls/yourls"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "yourls/yourls", "version": {"version_data": [{"version_affected": "<=", "version_value": "1.8.1"}]}}]}, "vendor_name": "yourls"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "yourls is vulnerable to Improper Restriction of Rendered UI Layers or Frames"}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-1021 Improper Restriction of Rendered UI Layers or Frames"}]}]}, "references": {"reference_data": [{"name": "https://huntr.dev/bounties/dd2e2dbe-efe5-49ec-be11-7a7e7c41debd", "refsource": "CONFIRM", "url": "https://huntr.dev/bounties/dd2e2dbe-efe5-49ec-be11-7a7e7c41debd"}, {"name": "https://github.com/yourls/yourls/commit/0a70acdcfb5fcbc63dbc5750018d608288eba3fe", "refsource": "MISC", "url": "https://github.com/yourls/yourls/commit/0a70acdcfb5fcbc63dbc5750018d608288eba3fe"}]}, "source": {"advisory": "dd2e2dbe-efe5-49ec-be11-7a7e7c41debd", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:01:08.346Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://huntr.dev/bounties/dd2e2dbe-efe5-49ec-be11-7a7e7c41debd"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/yourls/yourls/commit/0a70acdcfb5fcbc63dbc5750018d608288eba3fe"}]}]}, "cveMetadata": {"assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "assignerShortName": "@huntrdev", "cveId": "CVE-2021-3734", "datePublished": "2021-08-26T12:48:50.000Z", "dateReserved": "2021-08-24T00:00:00.000Z", "dateUpdated": "2024-08-03T17:01:08.346Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:yourls:yourls:*:*:*:*:*:*:*:*", "matchCriteriaId": "7C4DA63E-C691-4121-B1EF-DED7B696C6F0", "versionEndIncluding": "1.8.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "yourls is vulnerable to Improper Restriction of Rendered UI Layers or Frames"}, {"lang": "es", "value": "yourls es vulnerable a una Restricci\u00f3n Inapropiada de Capas o Marcos de Interfaz de Usuario Renderizados"}], "id": "CVE-2021-3734", "lastModified": "2024-11-21T06:22:16.937", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 2.5, "source": "security@huntr.dev", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-26T13:15:08.677", "references": [{"source": "security@huntr.dev", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/yourls/yourls/commit/0a70acdcfb5fcbc63dbc5750018d608288eba3fe"}, {"source": "security@huntr.dev", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://huntr.dev/bounties/dd2e2dbe-efe5-49ec-be11-7a7e7c41debd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/yourls/yourls/commit/0a70acdcfb5fcbc63dbc5750018d608288eba3fe"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://huntr.dev/bounties/dd2e2dbe-efe5-49ec-be11-7a7e7c41debd"}], "sourceIdentifier": "security@huntr.dev", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1021"}], "source": "security@huntr.dev", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-352"}, {"lang": "en", "value": "CWE-1021"}], "source": "nvd@nist.gov", "type": "Primary"}]}