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CVE-2021-25831

Quick assessment

Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Ascensio System ONLYOFFICE Document Server是拉脱维亚Ascensio System公司的一套在线办公协作套件。该产品支持文本、电子表格和演示文稿的查看和编辑等。 Ascensio System ONLYOFFICE Document Server v4.0.0-9-v5.6.3 存在安全漏洞，该漏洞[core]模块中发现一个文件扩展名处理问题。远程攻击者可利用该漏洞可以获得DocumentServer上的远程代码执行。

AI Predicted 9.8 Difficulty: Easy EPSS 11.50% · P96
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I. Basic Information for CVE-2021-25831

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v5.6.3. An attacker must request the conversion of the crafted file from PPTT into PPTX format. Using the chain of two other bugs related to improper string handling, a remote attacker can obtain remote code execution on DocumentServer.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Ascensio System ONLYOFFICE Document Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ascensio System ONLYOFFICE Document Server是拉脱维亚Ascensio System公司的一套在线办公协作套件。该产品支持文本、电子表格和演示文稿的查看和编辑等。 Ascensio System ONLYOFFICE Document Server v4.0.0-9-v5.6.3 存在安全漏洞，该漏洞[core]模块中发现一个文件扩展名处理问题。远程攻击者可利用该漏洞可以获得DocumentServer上的远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2021-25831

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III. Intelligence Information for CVE-2021-25831

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Other References for CVE-2021-25831 (6)

Same Patch Batch · n/a · 2021-03-01 · 22 CVEs total

CVE-2021-27878 8.8 HIGH Veritas Backup Exec 安全漏洞
CVE-2021-27877 8.2 HIGH Veritas Backup Exec 安全漏洞
CVE-2021-27876 8.1 HIGH Veritas Backup Exec 安全漏洞
CVE-2021-27225 5.4 MEDIUM Dataiku Jupyter 访问控制错误漏洞
CVE-2021-26702 EPrints 跨站脚本漏洞
CVE-2021-27886 Kazi Mehedi docker-web-gui 操作系统命令注入漏洞
CVE-2021-27884 YMFE YApi 安全特征问题漏洞
CVE-2021-26704 EPrints 安全漏洞
CVE-2021-26703 EPrints 安全漏洞
CVE-2021-3342 EPrints 操作系统命令注入漏洞
CVE-2021-26475 EPrints 跨站脚本漏洞
CVE-2021-26476 EPrints 安全漏洞
CVE-2021-3332 WPS Hide Login 安全漏洞
CVE-2021-27317 Doctor Appointment System version 跨站脚本漏洞
CVE-2021-27318 Sourcecodesterk Doctor Appointment System 跨站脚本漏洞
CVE-2021-22114 Spring-integration-zip 路径遍历漏洞
CVE-2021-25914 object-collider 安全漏洞
CVE-2021-25833 Dockerhub DocumentServer 路径遍历漏洞
CVE-2021-25832 ONLYOFFICE Document Server 缓冲区错误漏洞
CVE-2021-25830 Dockerhub Document Server 安全漏洞

Showing top 20 of 22 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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