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CVE-2021-4473

CRITICAL

9.8

Beschreibung

Tianxin Internet Behavior Management System contains a command injection vulnerability in the Reporter component endpoint that allows unauthenticated attackers to execute arbitrary commands by supplying a crafted objClass parameter containing shell metacharacters and output redirection. Attackers can exploit this vulnerability to write malicious PHP files into the web root and achieve remote code execution with the privileges of the web server process. This vulnerability has been fixed in version NACFirmware_4.0.0.7_20210716.180815_topsec_0_basic.bin. Exploitation evidence was first observed by the Shadowserver Foundation on 2024-06-01 (UTC).

CVE Details

CVSS v3.1 Bewertung9.8

SchweregradCRITICAL

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht4/7/2026

Zuletzt geandert4/7/2026

Quellenvd

Honeypot-Sichtungen0

Schwachen (CWE)

CWE-78

Referenzen

https://avd.aliyun.com/detail?id=AVD-2021-890232(disclosure@vulncheck.com)

https://cn-sec.com/archives/4631959.html(disclosure@vulncheck.com)

https://www.cnvd.org.cn/flaw/show/CNVD-2021-41972(disclosure@vulncheck.com)

https://www.cnvd.org.cn/patchInfo/show/280166(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/tianxin-internet-behavior-management-system-command-injection-via-toquery-php(disclosure@vulncheck.com)

IOC Korrelationen

Keine Korrelationen erfasst

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