9.8

CVE-2021-4473

Exploit

Tianxin Internet Behavior Management System Command Injection via toQuery.php

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).
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
TopsecgroupTianxin Internet Behavior Management System Version < 4.0.0.7_20210716.180815
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 6.17% 0.926
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
disclosure@vulncheck.com 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
disclosure@vulncheck.com 9.3 0 0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

https://www.cnvd.org.cn/flaw/show/CNVD-2021-41972
Third Party Advisory
https://www.cnvd.org.cn/patchInfo/show/280166
Patch
https://cn-sec.com/archives/4631959.html
Third Party Advisory
Exploit
https://avd.aliyun.com/detail?id=AVD-2021-890232
Third Party Advisory
https://www.vulncheck.com/advisories/tianxin-internet-behavior-management-system-command-injection-via-toquery-php
Third Party Advisory
VDB Entry