What’s Vulnerable › Vulnerabilities

CVE-2021-27556

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-31 · updated 2026-06-17
• Weakness: CWE-78

Description

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

• easysoft zentaopms: 12.5.3

References

• https://privasec.com/blog/zentao-cms-a-monkeys-journey-to-priv-esc-remote-code-execution/
• https://privasec.com/blog/zentao-cms-a-monkeys-journey-to-priv-esc-remote-code-execution/

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