Zentao
CVE-2021-27556
HIGH
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
The Cron job tab in EasyCorp ZenTao 12.5.3 allows remote attackers (who have admin access) to execute arbitrary code by setting the type parameter to System.
AnalysisAI
The Cron job tab in EasyCorp ZenTao 12.5.3 allows remote attackers (who have admin access) to execute arbitrary code by setting the type parameter to System. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. The Cron job tab in EasyCorp ZenTao 12.5.3 allows remote attackers (who have admin access) to execute arbitrary code by setting the type parameter to System. Affected products include: Easycorp Zentao.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.
Zentao v18.0 to v18.10 was discovered to contain a remote code execution (RCE) vulnerability via the checkConnection met
An arbitrary file upload vulnerability in /upgrade/control.php of ZenTao Community Edition v18.10, ZenTao Biz v8.10, and
An issue in ZenTao Community Edition v.18.6 and before, ZenTao Biz v.8.6 and before, ZenTao Max v.4.7 and before allows
Zentao Demo15 is vulnerable to Directory Traversal. Rated high severity (CVSS 7.5), this vulnerability is remotely explo
Zentao versions 4.1.3 and before has a URL redirect vulnerability, which prevents the system from functioning properly.
A vulnerability classified as problematic was found in ZenTao PMS 18.8. Rated medium severity (CVSS 6.1), this vulnerabi
A cross site scripting (XSS) issue in EasyCorp ZenTao 12.5.3 allows remote attackers to execute arbitrary web script via
Path traversal in ZenTao's editor component (versions up to 21.7.8) allows authenticated attackers to manipulate the fil
A Stored Cross-Site Scripting vulnerability was discovered in ZenTao 18.3 where a user can create a project, and in the
Cross Site Scripting vulnerability in ZenTaoPMS v.18.6 allows a local attacker to obtain sensitive information via a cra
An issue was discovered in ZenTao 11.5.1. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable,
A flaw has been found in ZenTao up to 21.7.6-8564. Rated medium severity (CVSS 5.3), this vulnerability is remotely expl
Same weakness CWE-78 – OS Command Injection
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External POC / Exploit Code
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