CVE-2021-27556
The Cron job tab in EasyCorp ZenTao 12.5.3 allows remote attackers (who have admin access) to...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.2
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.
- Record
CVE-2021-27556- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-27556- Updated
- 2026-11-02
EUVDEUVD-2021-14307 No score
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.
- Record
EUVD-2021-14307- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w72j-vh4j-rfc3 No score
The Cron job tab in EasyCorp ZenTao 12.5.3 allows remote attackers (who have admin access) to...
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.
- Record
GHSA-w72j-vh4j-rfc3- Weakness
- CWE-78
- Updated
- 2026-11-02
OSV
7.2
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.
- Record
CVE-2021-27556- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27556 is a high vulnerability (CVSS 7.2) in Easycorp Zentao, published August 31, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.01%, the 90th percentile. No source names a fixed version.