CVE-2020-5242

openHAB exec add-ons allow remote arbitrary command execution

Description

openHAB before 2.5.2 allow a remote attacker to use REST calls to install the EXEC binding or EXEC transformation service and execute arbitrary commands on the system with the privileges of the user running openHAB. Starting with version 2.5.2 all commands need to be whitelisted in a local file which cannot be changed via REST calls.

Categories

7.7
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.72% Top 30%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: openhab openhab-addons
Published at:
Updated at:

References

Link Tags
https://github.com/openhab/openhab-addons/security/advisories/GHSA-w698-693g-23hv third party advisory
https://github.com/openhab/openhab-addons/commit/4c4cb664f2e2c3866aadf117d22fb54aa8dd0031 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-5242?
CVE-2020-5242 has been scored as a high severity vulnerability.
How to fix CVE-2020-5242?
To fix CVE-2020-5242, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-5242 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-5242 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-5242?
CVE-2020-5242 affects openhab openhab-addons.
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