CVE-2021-3199

CVE-2021-3199

EPSS 8.2%

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.

Affected products

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References

https://github.com/moehw/poc_exploits/tree/master/CVE-2021-3199/poc_uploadImageFile.py https://github.com/nola-milkin/poc_exploits/blob/master/CVE-2021-3199/poc_uploadImageFile.py https://github.com/ONLYOFFICE/DocumentServer/blob/903fe5ab7a275bd69c3c3346af2d21cf87ebeabf/CHANGELOG.md#563