PoC Index

CVE-2021-25833

CRITICAL 9.8EPSS 43.5%

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.

CVSS v3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
43.53% chance of exploitation in the next 30 days, 99th percentile
Published
2021-03-01
Updated
2024-08-03

Proof-of-concept exploits (1)

References

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