CVE-2021-3199

Directory traversal with remote code execution can occur in /upload in ONLYOFFICE Document Server before 5.6.3, when JWT is used, via a /.. sequence in an image upload parameter.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/ONLYOFFICE/DocumentServer/blob/903fe5ab7a275bd69c3c3346af2d21cf87ebeabf/CHANGELOG.md#563	Release Notes Third Party Advisory
https://github.com/moehw/poc_exploits/tree/master/CVE-2021-3199/poc_uploadImageFile.py	Exploit Third Party Advisory
https://github.com/nola-milkin/poc_exploits/blob/master/CVE-2021-3199/poc_uploadImageFile.py	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:onlyoffice:document_server:*:*:*:*:*:*:*:*

History

15 Apr 2022, 16:25

Type	Values Removed	Values Added
References	~~(MISC) https://github.com/moehw/poc_exploits/tree/master/CVE-2021-3199/poc_uploadImageFile.py -~~	(MISC) https://github.com/moehw/poc_exploits/tree/master/CVE-2021-3199/poc_uploadImageFile.py - Exploit, Third Party Advisory

21 Mar 2022, 21:15

Type	Values Removed	Values Added
References		(MISC) https://github.com/moehw/poc_exploits/tree/master/CVE-2021-3199/poc_uploadImageFile.py -

Information

Published : 2021-01-26 18:16

Updated : 2024-02-04 21:23

NVD link : CVE-2021-3199

Mitre link : CVE-2021-3199

CVE.ORG link : CVE-2021-3199

JSON object : View

Products Affected

onlyoffice

document_server

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

{"id": "CVE-2021-3199", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-01-26T18:16:28.507", "references": [{"url": "https://github.com/ONLYOFFICE/DocumentServer/blob/903fe5ab7a275bd69c3c3346af2d21cf87ebeabf/CHANGELOG.md#563", "tags": ["Release Notes", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/moehw/poc_exploits/tree/master/CVE-2021-3199/poc_uploadImageFile.py", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/nola-milkin/poc_exploits/blob/master/CVE-2021-3199/poc_uploadImageFile.py", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "Directory traversal with remote code execution can occur in /upload in ONLYOFFICE Document Server before 5.6.3, when JWT is used, via a /.. sequence in an image upload parameter."}, {"lang": "es", "value": "Un salto de directorio con ejecuci\u00f3n de c\u00f3digo remota puede ocurrir en /upload en ONLYOFFICE Document Server versiones anteriores a 5.6.3, cuando es usado JWT, por medio de una secuencia /.. en un par\u00e1metro de carga de imagen"}], "lastModified": "2022-04-15T16:25:05.793", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:onlyoffice:document_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "226FAC46-5D2C-4685-AA75-0EEB5BA85178", "versionEndExcluding": "5.6.3"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}