HIGH

CVE-2021-27556

CVSS v3

7.2

HIGH

EPSS Score

4.0 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-27556 yet.

Full record on NVD

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.

Technical details

Published: 2021-08-31

Frequently asked questions

What is CVE-2021-27556?

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.

Is CVE-2021-27556 actively exploited?

Active exploitation of CVE-2021-27556 has not been confirmed. Its EPSS score was 4.0% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-27556?

CVE-2021-27556 has a CVSS v3 base score of 7.2 (HIGH severity).

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