CVE-2021-25833

Katalog CVE

CVSS 9.8 · Critical EPSS 43,5%

Kerentanan Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') pada onlyoffice document server. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

1 Maret 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

EPSS (30 hari)

43,5% peluang dieksploitasi; lebih tinggi dari 98,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/ONLYOFFICE/DocumentServer product · advisory vendor
• https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/DocService/sources/converterservice.js#L200 advisory pihak ketiga
• https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L283 advisory pihak ketiga
• https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L593 advisory pihak ketiga
• https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25833 exploit · advisory pihak ketiga
• https://github.com/ONLYOFFICE/server product