CVE-2021-23556: The package guake before 3.8.5 are vulnerable to Exposed Dangerous Method or Function due to the exposure of e
CVE-2021-23556 is a medium-severity flaw (CVSS 6.4) affecting guake. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 1.1% (top 34%) |
| CISA exploited list | No |
| Published | 2022-03-17 |
| 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-2021-23556?
guake: upgrade to 3.8.5. Exact commands for each OS are on this page.
Is CVE-2021-23556 being exploited?
CVE-2021-23556 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-2021-23556 affect?
CVE-2021-23556 affects guake. Severity is medium (CVSS 6.4). 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
How urgent is CVE-2021-23556?
Priority 44/100. Public exploit reference