CVE-2021-3855
Command Injection in Liman Central Management System
Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Liman Central Management System Liman MYS (HTTP/Controllers, CronMail, Jobs modules) allows Command Injection.
This issue affects Liman Central Management System: from 1.7.0 before 1.8.3-462.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Command Injection in Liman Central Management System
Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Liman Central Management System Liman MYS (HTTP/Controllers, CronMail, Jobs modules) allows Command Injection.
This issue affects Liman Central Management System: from 1.7.0 before 1.8.3-462.
- Record
CVE-2021-3855- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
EUVDEUVD-2021-27095
Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Liman Central Management System Liman MYS (HTTP/Controllers, CronMail, Jobs modules) allows Command Injection.
This issue affects Liman Central Management System: from 1.7.0 before 1.8.3-462.
- Record
EUVD-2021-27095- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7rgr-cw7h-qwmq
Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability...
Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Liman MYS (HTTP/Controllers, CronMail, Jobs modules) allows Command Injection.This issue affects Liman MYS: from 1.7.0 before 1.8.3-462.
- Record
GHSA-7rgr-cw7h-qwmq- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
NVD
Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Liman Central Management System Liman MYS (HTTP/Controllers, CronMail, Jobs modules) allows Command Injection.
This issue affects Liman Central Management System: from 1.7.0 before 1.8.3-462.
- Record
CVE-2021-3855- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-3855 is a high vulnerability (CVSS 8.8) in Liman Central Management System Central Management System, published February 24, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.82%, the 79th percentile. No source names a fixed version.