Vulnerability Intelligence Report
CVE-2021-25833
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.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
EPSS Probability:43.53%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| onlyoffice | document_server | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
43.534%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2021-01-22T00:00:00 |
| Published | 2021-03-01T15:09:17 |
| Last Updated | 2024-08-03T20:11:28 |
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