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CVE-2021-23556

Exposed Dangerous Method or Function

6.4 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
Low
Availability
Low

Exploit likelihood

1.13%Up 0.2 points since Mar 18, 2022
90%50%10%1%

What each source reports

CVE List Score used 6.4

Exposed Dangerous Method or Function

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.

Record
CVE-2021-23556
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L/E:P
Updated
2026-11-02
EUVDEUVD-2022-0116 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 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.

Record
EUVD-2022-0116
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L/E:P
Updated
2026-11-03
GitHub AdvisoriesGHSA-7x48-7466-3g33 6.1

Command injection in guake

Guake is a drop-down terminal for GNOME. The package guake before 3.8.5 is 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.

Record
GHSA-7x48-7466-3g33
CVSS 4.0
6.1 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L
Updated
2026-11-02
NVD 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 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.

Record
CVE-2021-23556
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L
CVSS 3.1
8.0 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.0 MediumAV:N/AC:M/Au:S/C:P/I:P/A:P
Updated
2026-11-02
OSV 8.0

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.

Record
CVE-2021-23556
CVSS 3.1
8.0 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2021-23556 8.0

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.

Record
DEBIAN-CVE-2021-23556
CVSS 3.1
8.0 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-7x48-7466-3g33 6.1

Command injection in guake

Guake is a drop-down terminal for GNOME. The package guake before 3.8.5 is 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.

Record
GHSA-7x48-7466-3g33
CVSS 4.0
6.1 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L
Updated
2026-11-02
OSVUBUNTU-CVE-2021-23556 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 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.

Record
UBUNTU-CVE-2021-23556
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L
CVSS 3.1
8.0 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVPYSEC-2022-165 No score

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.

Record
PYSEC-2022-165
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
guake
PyPI
 before 3.8.5
3.8.5
guake
Debian:12
 before 3.8.5-1
3.8.5-1
guake
Debian:13
 before 3.8.5-1
3.8.5-1
guake
Debian:14
 before 3.8.5-1
3.8.5-1
guake
PyPI
 before 3.8.5, plus listed versions
3.0.03.0.0.0b23.0.13.0.23.0.3
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3.0.43.0.53.0.63.1.03.1.13.2.03.2.13.2.1.dev353.2.23.3.03.3.13.3.23.3.33.4.03.5.03.6.03.6.13.6.23.6.33.7.03.8.2.0rc2.dev03.8.2.0rc3.dev03.8.3.dev03.8.4.dev03.8.5.0rc23.8.5.dev0
3.8.5
guake
Ubuntu:16.04:LTS
 All versions, plus listed versions
0.7.2-10.8.0-10.8.3-10.8.4-1
 None known
guake
Ubuntu:18.04:LTS
 All versions, plus listed versions
0.8.8-10.8.10-13.0.4-13.0.5-1
 None known
guake
Ubuntu:20.04:LTS
 All versions, plus listed versions
3.6.3-13.6.3-2
 None known
guake
Ubuntu:22.04:LTS
 All versions, plus listed versions
3.6.3-23.8.0-13.8.1-13.8.5-1
 None known
guake
Ubuntu:24.04:LTS
 All versions, plus listed versions
3.10-13.10-2
 None known
guake
Ubuntu:25.10
 All versions, plus listed versions
3.10-2
 None known
guake
Ubuntu:26.10
 All versions, plus listed versions
3.10.1-1
 None known
guake
Ubuntu:26.04:LTS
 All versions, plus listed versions
3.10-23.10.1-1
 None known

History

History
RecordedChangedSources
facts
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-23556 is a medium vulnerability (CVSS 6.4) in Guake-project Guake, published March 17, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.13%, the 66th percentile. Fixed in guake 3.8.5.

References

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