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7.5
CVSSv2

CVE-2021-25833

Published: 01/03/2021 Updated: 15/03/2021
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
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Vulnerability Summary

A file extension handling issue was found in [server] module of ONLYOFFICE DocumentServer v4.2.0.71-v5.6.0.21. The file extension is controlled by an attacker through the request data and leads to arbitrary file overwriting. Using this vulnerability, a remote attacker can obtain remote code execution on DocumentServer.

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References

CWE-22https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25833https://github.com/ONLYOFFICE/DocumentServerhttps://github.com/ONLYOFFICE/serverhttps://github.com/ONLYOFFICE/server/blob/v5.6.0.21/DocService/sources/converterservice.js#L200https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L283https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L593https://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
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