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TI-2021-09014 Aliases CVE-2021-27556GHSA-w72j-vh4j-rfc3

The Cron job tab in EasyCorp ZenTao 12.5.3 allows remote attackers (who have admin…

Priority LOW 38CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.

Summary

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.

Why it matters now

EPSS 0.04009 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:easycorp:zentao:12.5.3:*:*:*:*:*:*:*12.5.3VulnerableEasyCorp
  • cpe:2.3:a:easycorp:zentao:12.5.3:*:*:*:*:*:*:* Versions 12.5.3 Vulnerable ·EasyCorp

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27556
  2. 2026-10-03 Alias added: GHSA-w72j-vh4j-rfc3

References

Exploit 1

  • TI-2024-16042 Zentao v18.0 to v18.10 was discovered to contain a remote code execution (RCE)… CVSS 3.1CRITICAL 9.8
  • TI-2024-16039 An arbitrary file upload vulnerability in /upgrade/control.php of ZenTao Community… CVSS 3.1CRITICAL 9.8
  • TI-2023-24012 An issue in ZenTao Community Edition v.18.6 and before, ZenTao Biz v.8.6 and before… CVSS 3.1HIGH 8.8
  • TI-2022-23694 ZenTao 16.4 to 18.0.beta1 is vulnerable to SQL injection. CVSS 3.1HIGH 8.8
  • TI-2023-26980 Zentao versions 4.1.3 and before has a URL redirect vulnerability, which prevents the system from functioning properly. CVSS 3.1MEDIUM 6.1
  • TI-2020-14347 Cross Site Scripting vulnerability found in Zentao allows a remote attacker to execute… CVSS 3.1MEDIUM 6.1
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences