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CVE-2021-38441— Eclipse CycloneDDS Write-what-where Condition

Quick assessment

Affected
Eclipse CycloneDDS
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.

Eclipse Cyclone DDS是Eclipse基金会的一个非常高性能和健壮的开源 DDS 实现。 Eclipse Cyclone DDS 中存在代码问题漏洞，该漏洞源于产品未能正确处理write-what-where逻辑。攻击者可通过该漏洞在XML解析器中写入任意值。以下产品及版本受到影响：Eclipse CycloneDDS 0.8.0 之前版本。

CVSS 6.6 · Medium EPSS 2.15% · P81

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-38441

Vulnerability Information
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Vulnerability Title
Eclipse CycloneDDS Write-what-where Condition
Source: CVE Program / CVE List V5
Vulnerability Description
Eclipse CycloneDDS versions prior to 0.8.0 are vulnerable to a write-what-where condition, which may allow an attacker to write arbitrary values in the XML parser.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
任意地址可写任意内容条件
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse Cyclone DDS 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse Cyclone DDS是Eclipse基金会的一个非常高性能和健壮的开源 DDS 实现。 Eclipse Cyclone DDS 中存在代码问题漏洞，该漏洞源于产品未能正确处理write-what-where逻辑。攻击者可通过该漏洞在XML解析器中写入任意值。以下产品及版本受到影响：Eclipse CycloneDDS 0.8.0 之前版本。
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
Eclipse CycloneDDS unspecified ~ 0.8.0 -

II. Public POCs for CVE-2021-38441

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III. Intelligence Information for CVE-2021-38441

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Vendor Advisories for CVE-2021-38441 (1)

Other References for CVE-2021-38441 (1)

IV. Related Vulnerabilities

Same product: CycloneDDS
Same vendor: Eclipse
Same weakness: CWE-123

V. Comments for CVE-2021-38441

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