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CVE-2021-39421

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SeedDMS（前称LetoDMS和MyDMS）是一套基于PHP和MySql的开源文档管理系统。该系统主要用于存储和共享文档。 SeedDMS 6.0.15版本存在安全漏洞，该漏洞源于存在跨站脚本（XSS）漏洞。攻击者可利用该漏洞通过设计有效载荷执行任意Web脚本或HTML代码。

AI Predicted 6.1 Difficulty: Easy EPSS 0.43% · P36

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-39421

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A cross-site scripting (XSS) vulnerability in SeedDMS v6.0.15 allows attackers to execute arbitrary web scripts or HTML via a crafted payload.
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
SeedDMS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SeedDMS（前称LetoDMS和MyDMS）是一套基于PHP和MySql的开源文档管理系统。该系统主要用于存储和共享文档。 SeedDMS 6.0.15版本存在安全漏洞，该漏洞源于存在跨站脚本（XSS）漏洞。攻击者可利用该漏洞通过设计有效载荷执行任意Web脚本或HTML代码。
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-2021-39421

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-39421

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Security Blog Posts for CVE-2021-39421 (1)

Same Patch Batch · n/a · 2023-07-24 · 18 CVEs total

CVE-2023-32257 8.1 HIGH Session race condition remote code execution vulnerability
CVE-2023-32258 8.1 HIGH Session race condition remote code execution vulnerability
CVE-2023-32248 7.5 HIGH Tree connection null pointer dereference denial-of-service vulnerability
CVE-2023-32252 7.5 HIGH Session null pointer dereference denial-of-service vulnerability
CVE-2023-32247 7.5 HIGH Session setup memory exhaustion denial-of-service vulnerability
CVE-2023-3863 6.4 MEDIUM Use-after-free in nfc_llcp_find_loca in net/nfc/llcp_core.c
CVE-2023-2860 4.4 MEDIUM Out-of-bounds read when setting hmac data
CVE-2023-3748 3.5 LOW Inifinite loop in babld message parsing may cause dos
CVE-2023-1386 3.3 LOW Qemu: 9pfs: suid/sgid bits not dropped on file write
CVE-2023-37613 Assembly Software Trialworks 跨站脚本漏洞
CVE-2023-26077 Atera Agent 安全漏洞
CVE-2022-30280 Nokia NetAct 跨站请求伪造漏洞
CVE-2023-26078 Atera Agent 安全漏洞
CVE-2022-28863 Nokia NetAct 代码问题漏洞
CVE-2022-28864 Nokia NetAct 安全漏洞
CVE-2022-28865 Nokia NetAct 跨站脚本漏洞
CVE-2022-28867 Nokia NetAct 跨站脚本漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-39421

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