Fiche vulnérabilité
CVE-2021-25829 : faille élevée onlyoffice document server (CVSS 7.5)
Description
An improper binary stream data handling issue was found in the [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v5.6.3. Using this bug, an attacker is able to produce a denial of service attack that can eventually shut down the target server.
En bref
- Sévérité
- Élevée (CVSS 7.5)
- Vecteur CVSS
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Exploitation active
- Non signalée par la CISA
- Publication
- 1 mars 2021
- Dernière mise à jour
- 17 juin 2026
Produits concernés
- onlyoffice document server
Références
- Fiche CVE-2021-25829 sur le NVD (NIST)
- github.com/ONLYOFFICE/DocumentServer
- github.com/ONLYOFFICE/core
- github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5f…
- github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5f…
- github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5f…
- github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5f…
- github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5f…
- github.com/ONLYOFFICE/core/blob/c1e4a2ce33bdcfab29d670f5f…
- github.com/ONLYOFFICE/core/blob/v5…
- github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/…