CVE-2020-7839
MarkAny MaEPSBroker Command Injection Vulnerability
In MaEPSBroker 2.5.0.31 and prior, a command injection vulnerability caused by improper input validation checks when parsing brokerCommand parameter.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.8
MarkAny MaEPSBroker Command Injection Vulnerability
In MaEPSBroker 2.5.0.31 and prior, a command injection vulnerability caused by improper input validation checks when parsing brokerCommand parameter.
- Record
CVE-2020-7839- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2020-28771
8.8
In MaEPSBroker 2.5.0.31 and prior, a command injection vulnerability caused by improper input validation checks when parsing brokerCommand parameter.
- Record
EUVD-2020-28771- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qcr3-v2j3-w8w4 No score
In MaEPSBroker 2.5.0.31 and prior, a command injection vulnerability caused by improper input...
In MaEPSBroker 2.5.0.31 and prior, a command injection vulnerability caused by improper input validation checks when parsing brokerCommand parameter.
- Record
GHSA-qcr3-v2j3-w8w4- Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
8.8
In MaEPSBroker 2.5.0.31 and prior, a command injection vulnerability caused by improper input validation checks when parsing brokerCommand parameter.
- Record
CVE-2020-7839- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-7839 is a high vulnerability (CVSS 8.8) in Markany Maepsbroker, published March 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.45%, the 73rd percentile. No source names a fixed version.