CVE-2021-20093
Quick assessment
Affected
n/a Wibu-Systems CodeMeter
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.
CodeMeter是德国WIBU的一款安全工具专为软件开发商及智能设备企业提供一体化技术 Wibu-Systems CodeMeter 7.21a之前版本存在安全漏洞，未经身份验证的远程攻击者可利用该漏洞泄露堆内存内容或使CodeMeter运行时服务器崩溃。
Possible ATT&CK Techniques 1 AI
T1135 · Network Share Discovery
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I. Basic Information for CVE-2021-20093
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to disclose heap memory contents or crash the CodeMeter Runtime Server.
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
Wibu-Systems CodeMeter 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CodeMeter是德国WIBU的一款安全工具专为软件开发商及智能设备企业提供一体化技术 Wibu-Systems CodeMeter 7.21a之前版本存在安全漏洞，未经身份验证的远程攻击者可利用该漏洞泄露堆内存内容或使CodeMeter运行时服务器崩溃。
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 |
|---|---|---|---|---|
| - | Wibu-Systems CodeMeter | < 7.21a | - |
|
II. Public POCs for CVE-2021-20093
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-20093 (2)
-
https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02 x_refsource_MISC
-
https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf x_refsource_CONFIRM
Other References for CVE-2021-20093 (2)
-
https://www.tenable.com/security/research/tra-2021-24 x_refsource_MISC
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IV. Related Vulnerabilities
V. Comments for CVE-2021-20093
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