CVE-2021-25833
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
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.
Overview
- CVE ID
- CVE-2021-25833
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-03-01T16:15:14
- Last Modified Date
- 2021-03-15T19:53:24
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:onlyoffice:document_server:*:*:*:*:*:*:*:* | 1 | OR | 4.2.0.71 | 5.6.0.21 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L593 | Third Party Advisory |
| https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/DocService/sources/converterservice.js#L200 | Third Party Advisory |
| https://github.com/ONLYOFFICE/DocumentServer | Product Vendor Advisory |
| https://github.com/ONLYOFFICE/server | Product |
| https://github.com/ONLYOFFICE/server/blob/v5.6.0.21/FileConverter/sources/converter.js#L283 | Third Party Advisory |
| https://github.com/merrychap/poc_exploits/tree/master/ONLYOFFICE/CVE-2021-25833 | Exploit Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-25833 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25833 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:19:53 | Added to TrackCVE | |||
| 2022-12-05 22:57:16 | 2021-03-01T16:15Z | 2021-03-01T16:15:14 | CVE Published Date | updated |
| 2022-12-05 22:57:16 | 2021-03-15T19:53:24 | CVE Modified Date | updated | |
| 2022-12-05 22:57:16 | Analyzed | Vulnerability Status | updated |