CRITICAL🇵🇱 Wersja polska

CVE-2021-25831

CVSS 9.8v3.1pub. 2021-03-01upd. 2024-11-21

A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v5.6.3. An attacker must request the conversion of the crafted file from PPTT into PPTX format. Using the chain of two other bugs related to improper string handling, a remote attacker can obtain remote code execution on DocumentServer.

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Onlyoffice Document Server

    APP
    Onlyoffice
    4.0.0-9 – 5.6.3
🔵
CHECK WITH VENDOR
No clear patch data available. Check vendor references.
Tags
RCE
CWE
References

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