CVE-2021-26295— RCE vulnerability in latest Apache OFBiz due to Java serialisation using RMI
Quick assessment
Affected
Apache Software Foundation Apache OFBiz
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Apache OFBiz是美国阿帕奇（Apache）基金会的一套企业资源计划（ERP）系统。该系统提供了一整套基于Java的Web应用程序组件和工具。 Apache OFBiz prior to 17.12.06 存在安全漏洞，该漏洞源于不安全的反序列化，攻击者可利用该漏洞可以完全控制Apache OFBiz系统。
Public Exploits 2
Metasploit · 1
apache_ofbiz_deserialization_soap.rb [exploit]
Nuclei · 1
CVE-2021-26295.yaml [template]
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-26295
Vulnerability Information
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Vulnerability Title
RCE vulnerability in latest Apache OFBiz due to Java serialisation using RMI
Source: CVE Program / CVE List V5
Vulnerability Description
Apache OFBiz has unsafe deserialization prior to 17.12.06. An unauthenticated attacker can use this vulnerability to successfully take over Apache OFBiz.
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
Apache OFBiz 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache OFBiz是美国阿帕奇（Apache）基金会的一套企业资源计划（ERP）系统。该系统提供了一整套基于Java的Web应用程序组件和工具。 Apache OFBiz prior to 17.12.06 存在安全漏洞，该漏洞源于不安全的反序列化，攻击者可利用该漏洞可以完全控制Apache OFBiz系统。
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)
Shenlong Deep Dive — AI Deep Analysis
10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache OFBiz | Apache OFBiz 17.12.01 to 17.12.05 | - |
|
II. Public POCs for CVE-2021-26295
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/yumusb/CVE-2021-26295 | POC Details |
| 2 | CVE-2021-26295 Apache OFBiz rmi反序列化POC | https://github.com/rakjong/CVE-2021-26295-Apache-OFBiz | POC Details |
| 3 | CVE-2021-26295 EXP 可成功反弹Shell | https://github.com/dskho/CVE-2021-26295 | POC Details |
| 4 | CVE-2021-26295-POC 利用DNSlog进行CVE-2021-26295的漏洞验证。 使用 poc：将目标放于target.txt后运行python poc.py即可。（Jdk环境需<12，否则ysoserial无法正常生成有效载荷） exp：python exp.py https://baidu.com然后进入命令执行界面（无回显） | https://github.com/coolyin001/CVE-2021-26295-- | POC Details |
| 5 | Apache OFBiz rmi反序列化EXP(CVE-2021-26295) | https://github.com/S0por/CVE-2021-26295-Apache-OFBiz-EXP | POC Details |
| 6 | CVE-2020-9496和CVE-2021-26295利用dnslog批量验证漏洞poc及exp | https://github.com/yuaneuro/ofbiz-poc | POC Details |
| 7 | Apache OFBiz has unsafe deserialization prior to 17.12.06. An unauthenticated attacker can use this vulnerability to successfully take over Apache OFBiz. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-26295.yaml | POC Details |
| 8 | None | https://github.com/Threekiii/Awesome-POC/blob/master/%E5%BC%80%E5%8F%91%E6%A1%86%E6%9E%B6%E6%BC%8F%E6%B4%9E/Apache%20OFBiz%20RMI%20Bypass%20RCE%20CVE-2021-29200.md | POC Details |
| 9 | None | https://github.com/Threekiii/Awesome-POC/blob/master/%E5%BC%80%E5%8F%91%E6%A1%86%E6%9E%B6%E6%BC%8F%E6%B4%9E/Apache%20OFBiz%20RMI%E5%8F%8D%E5%BA%8F%E5%88%97%E5%8C%96%E6%BC%8F%E6%B4%9E%20CVE-2021-26295.md | POC Details |
AI-Generated POC
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Mailing List Discussions for CVE-2021-26295 (11)
-
https://lists.apache.org/thread.html/r0d97a3b7a14777b9e9e085b483629d2774343c4723236d1c73f43ff0%40%3Cdev.ofbiz.apache.org%3E mailing-list x_refsource_MLIST
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https://lists.apache.org/thread.html/rec5e9fdcdca13099cfb29f632333f44ad1dd60d90f67b90434e4467a%40%3Cdev.ofbiz.apache.org%3E mailing-list x_refsource_MLIST
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https://lists.apache.org/thread.html/reccf8c8a58337ce7c035495d3d82fbc549e97036a9789a2a7d9cccf6%40%3Cdev.ofbiz.apache.org%3E mailing-list x_refsource_MLIST
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V. Comments for CVE-2021-26295
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