CVE-2021-27771 - Vulnerability Details - OpenCVE

Description

User SID can be modified resulting in an Arbitrary File Upload or deletion of directories causing a Denial of Service. When interacting in a normal matter with the Sametime chat application, users hold a cookie containing their session ID (SID). This value is also used when sending chat messages, receiving notifications and/or transferring files.

Published: 2022-05-12

Score: 8.2 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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

Vendor Product Default status Versions

HCL Software

Sametime

affected

Version	Status	Constraints
`11.6`	affected	—

Configuration 1 [-]

cpe:2.3:a:hcltech:sametime:11.6:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-14512	User SID can be modified resulting in an Arbitrary File Upload or deletion of directories causing a Denial of Service. When interacting in a normal matter with the Sametime chat application, users hold a cookie containing their session ID (SID). This value is also used when sending chat messages, receiving notifications and/or transferring files.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00304.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430

History

No history.

Subscriptions

Hcltech Sametime

MITRE

Status: PUBLISHED

Assigner: HCL

Published: 2022-05-12T21:25:27.080Z

Updated: 2024-09-17T01:40:42.492Z

Reserved: 2021-02-26T00:00:00.000Z

Link: CVE-2021-27771

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-05-12T22:15:11.880

Modified: 2024-11-21T05:58:32.233

Link: CVE-2021-27771

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

{"containers": {"cna": {"affected": [{"product": "Sametime", "vendor": "HCL Software", "versions": [{"status": "affected", "version": "11.6"}]}], "datePublic": "2022-04-15T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "User SID can be modified resulting in an Arbitrary File Upload or deletion of directories causing a Denial of Service. When interacting in a normal matter with the Sametime chat application, users hold a cookie containing their session ID (SID). This value is also used when sending chat messages, receiving notifications and/or transferring files."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-434", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-22", "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-05-12T21:25:26.000Z", "orgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "shortName": "HCL"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430"}], "source": {"discovery": "UNKNOWN"}, "title": "HCL Sametime is susceptible a file transfer service vulnerability", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@hcl.com", "DATE_PUBLIC": "2022-04-15T00:00:00.000Z", "ID": "CVE-2021-27771", "STATE": "PUBLIC", "TITLE": "HCL Sametime is susceptible a file transfer service vulnerability"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Sametime", "version": {"version_data": [{"version_value": "11.6"}]}}]}, "vendor_name": "HCL Software"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "User SID can be modified resulting in an Arbitrary File Upload or deletion of directories causing a Denial of Service. When interacting in a normal matter with the Sametime chat application, users hold a cookie containing their session ID (SID). This value is also used when sending chat messages, receiving notifications and/or transferring files."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-434 Unrestricted Upload of File with Dangerous Type"}]}, {"description": [{"lang": "eng", "value": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}]}, "references": {"reference_data": [{"name": "https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430", "refsource": "MISC", "url": "https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430"}]}, "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T21:26:10.772Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430"}]}]}, "cveMetadata": {"assignerOrgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "assignerShortName": "HCL", "cveId": "CVE-2021-27771", "datePublished": "2022-05-12T21:25:27.080Z", "dateReserved": "2021-02-26T00:00:00.000Z", "dateUpdated": "2024-09-17T01:40:42.492Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:hcltech:sametime:11.6:*:*:*:*:*:*:*", "matchCriteriaId": "0B6E07B1-4DD8-4D9C-8DC1-063FEAD8BA52", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "User SID can be modified resulting in an Arbitrary File Upload or deletion of directories causing a Denial of Service. When interacting in a normal matter with the Sametime chat application, users hold a cookie containing their session ID (SID). This value is also used when sending chat messages, receiving notifications and/or transferring files."}, {"lang": "es", "value": "El SID del usuario puede ser modificado resultando en una Carga Arbitraria de Archivos o borrado de directorios causando una Denegaci\u00f3n de Servicio. Cuando interact\u00faan de manera normal con la aplicaci\u00f3n de chat de Sametime, los usuarios mantienen una cookie que contiene su ID de sesi\u00f3n (SID). Este valor tambi\u00e9n es usado cuando son enviados mensajes de chat, son recibidas notificaciones y/o son transferidos archivos"}], "id": "CVE-2021-27771", "lastModified": "2024-11-21T05:58:32.233", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 5.3, "source": "psirt@hcl.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-05-12T22:15:11.880", "references": [{"source": "psirt@hcl.com", "tags": ["Vendor Advisory"], "url": "https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430"}], "sourceIdentifier": "psirt@hcl.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-434"}], "source": "psirt@hcl.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-434"}], "source": "nvd@nist.gov", "type": "Primary"}]}