CVE-2021-23556: Exposed Dangerous Method or Function

Severity: high (CVSS 8.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-03-17 · updated 2026-06-17

Description

The package guake before 3.8.5 are vulnerable to Exposed Dangerous Method or Function due to the exposure of execute_command and execute_command_by_uuid methods via the d-bus interface, which makes it possible for a malicious user to run an arbitrary command via the d-bus method. **Note:** Exploitation requires the user to have installed another malicious program that will be able to send dbus signals or run terminal commands.

Affected products

guake: before 3.8.5 — fixed in 3.8.5

How to fix

Upgrade to a fixed version: guake 3.8.5. Check the vendor advisory for mitigations.

References

https://github.com/Guake/guake/issues/1796
https://github.com/Guake/guake/pull/2017
https://github.com/Guake/guake/pull/2017/commits/e3d671120bfe7ba28f50e256cc5e8a629781b888
https://github.com/Guake/guake/releases
https://snyk.io/vuln/SNYK-PYTHON-GUAKE-2386334
https://github.com/Guake/guake/issues/1796
https://github.com/Guake/guake/pull/2017
https://github.com/Guake/guake/pull/2017/commits/e3d671120bfe7ba28f50e256cc5e8a629781b888
https://github.com/Guake/guake/releases
https://snyk.io/vuln/SNYK-PYTHON-GUAKE-2386334

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