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CVE-2021-43099

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.

diyhi bbs（巡云轻论坛系统）是中国的一个开源项目，采用JAVA+MYSQL架构，自适应手机端和电脑端，界面简洁，性能高效。 diyhi bbs 5.3版本存在安全漏洞，该漏洞源于UpgradeManageAction.java文件中的UpgradeNow函数存在文档提取（又名“Zip Slip”）漏洞，该漏洞在不检查文件名的情况下解压任意上传的Zip文件。

AI Predicted 7.5 Difficulty: Easy EPSS 1.11% · P63
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I. Basic Information for CVE-2021-43099

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An Archive Extraction (AKA "Zip Slip) vulnerability exists in bbs 5.3 in the UpgradeNow function in UpgradeManageAction.java, which unzips the arbitrary upladed zip file without checking filenames. The vulnerability is exploited using a specially crafted archive that holds directory traversal filenames (e.g. ../../evil.exe).
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
diyhi bbs 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
diyhi bbs（巡云轻论坛系统）是中国的一个开源项目，采用JAVA+MYSQL架构，自适应手机端和电脑端，界面简洁，性能高效。 diyhi bbs 5.3版本存在安全漏洞，该漏洞源于UpgradeManageAction.java文件中的UpgradeNow函数存在文档提取（又名“Zip Slip”）漏洞，该漏洞在不检查文件名的情况下解压任意上传的Zip文件。
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-2021-43099

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III. Intelligence Information for CVE-2021-43099

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Other References for CVE-2021-43099 (1)

Same Patch Batch · n/a · 2022-03-28 · 43 CVEs total

CVE-2021-43101 diyhi bbs 代码问题漏洞
CVE-2022-23882 TuziCMS SQL注入漏洞
CVE-2022-26280 libarchive 缓冲区错误漏洞
CVE-2021-43103 diyhi bbs 代码问题漏洞
CVE-2022-26291 lrzip 资源管理错误漏洞
CVE-2022-26640 Tp-link TL-WR840N 安全漏洞
CVE-2022-26641 Tp-link TL-WR840N 安全漏洞
CVE-2022-26642 Tp-link TL-WR840N 安全漏洞
CVE-2022-26296 Berkeley Riscv-boom 安全漏洞
CVE-2022-26639 TP-LINK TL-WR840N 安全漏洞
CVE-2021-43102 diyhi bbs 代码问题漏洞
CVE-2021-43100 diyhi bbs 代码问题漏洞
CVE-2021-43098 diyhi bbs 代码问题漏洞
CVE-2021-43097 diyhi bbs 代码注入漏洞
CVE-2022-26278 Tenda AC9 缓冲区错误漏洞
CVE-2022-26980 Teampass 跨站脚本漏洞
CVE-2021-44124 Hiby Music Hiby OS R3 Pro 路径遍历漏洞
CVE-2021-43721 Leanote 跨站脚本漏洞
CVE-2021-43725 Spotweb 跨站脚本漏洞
CVE-2022-23884 Mojang Bedrock Dedicated Server 输入验证错误漏洞

Showing top 20 of 43 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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Same vendor: n/a

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