CVE-2020-7839 MarkAny MaEPSBroker Command Injection Vulnerability
Attackers can execute arbitrary commands via the brokerCommand parameter in MarkAny MaEPSBroker due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-7839?
CVE-2020-7839 is a high-severity command injection vulnerability in MarkAny MaEPSBroker, published on 24 Mar 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In MaEPSBroker 2.5.0.31 and prior, a command injection vulnerability caused by improper input validation checks when parsing brokerCommand parameter.
Weakness: CWE-20
Which versions are affected by CVE-2020-7839?
It affects 1 product.
Products include Markany Maepsbroker.
How do I fix CVE-2020-7839?
No fix has been published for CVE-2020-7839 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2020-7839 being exploited?
There is no known exploitation of CVE-2020-7839 in the wild and no public exploit code.
Sources
Also known as GHSA-qcr3-v2j3-w8w4.