CVE-2021-25833

Source
https://cve.org/CVERecord?id=CVE-2021-25833
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25833.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-25833
Published
2021-03-01T16:15:14Z
Modified
2026-10-24T02:46:41Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/onlyoffice/server

Affected ranges

Type
GIT
Repo
https://github.com/onlyoffice/server
Events
Database specific
Show details
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:onlyoffice:document_server:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "4.2.0.71"
                },
                {
                    "last_affected":  "5.6.0.21"
                }
            ],
            "source":  "CPE_RANGE"
        }
    ]
}

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25833.json"