CVE-2021-3199

KEV

🔴 Łataj teraz

Przechodzenie katalogów w ONLYOFFICE Document Server umożliwia zdalne wykonanie kodu.

CVSS

9.8

EPSS

8.2%

Exploit

weaponized

Vendor

onlyoffice

Opis źródłowy (NVD)

Directory traversal with remote code execution can occur in /upload in ONLYOFFICE Document Server before 5.6.3, when JWT is used, via a /.. sequence in an image upload parameter.

exploit path-traversal rce Brak patcha

Źródła i daty

Źródło	Wartość
NVD – CVSS	9.8
CISA KEV (aktywnie wykorzystywane)	Tak
FIRST EPSS (prawdopodobieństwo exploita)	8.2%
Opublikowano (NVD)	2021-01-26 18:16:28 UTC
Ostatnia modyfikacja (NVD)	2026-10-08 18:17:12 UTC

Referencje

https://github.com/ONLYOFFICE/DocumentServer/blob/903fe5ab7a275bd69c3c3346af2d21cf87ebeabf/CHANGELOG.md#563 ([email protected]) [Release Notes, Third Party Advisory]
https://github.com/moehw/poc_exploits/tree/master/CVE-2021-3199/poc_uploadImageFile.py ([email protected]) [Exploit, Third Party Advisory]
https://github.com/nola-milkin/poc_exploits/blob/master/CVE-2021-3199/poc_uploadImageFile.py ([email protected]) [Exploit, Third Party Advisory]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3199 (134c704f-9b21-4f2e-91b3-4a467353bcc0)