Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2021-25833 First vendor Publication 2021-03-01
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25833

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 2

Sources (Detail)

https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25833
https://github.com/ONLYOFFICE/DocumentServer
https://github.com/ONLYOFFICE/server
https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/DocService/sources/conver...
https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/con...
https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/con...
Source Url

Alert History

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Date Informations
2024-11-28 13:54:05
  • Multiple Updates
2021-05-05 01:42:13
  • Multiple Updates
2021-05-04 14:08:08
  • Multiple Updates
2021-04-22 03:13:18
  • Multiple Updates
2021-03-26 12:38:19
  • First insertion