PatchTheCVECVE-2020-7839: In MaEPSBroker 2.5.0.31 and prior, a command injection vulnerability caused by improper input validation check
CVE-2020-7839 is a high-severity flaw (CVSS 8.8) affecting maepsbroker. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In MaEPSBroker 2.5.0.31 and prior, a command injection vulnerability caused by improper input validation checks when parsing brokerCommand parameter.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.8 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.4% (top 27%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2021-03-24 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-7839?
maepsbroker: upgrade to newer than 2.5.0.31. Exact commands for each OS are on this page.
Is CVE-2020-7839 being exploited?
CVE-2020-7839 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-7839 affect?
CVE-2020-7839 affects maepsbroker. Severity is high (CVSS 8.8). In MaEPSBroker 2.5.0.31 and prior, a command injection vulnerability caused by improper input validation checks when parsing brokerCommand parameter.
How urgent is CVE-2020-7839?
Priority 49/100. High severity