CVE-2022-27817: SWHKD 1.1.5 consumes the keyboard events of unintended users

Routine

MEDIUM 4.4DOWNGRADE

CVE-2022-27817 is a medium-severity flaw (CVSS 4.4) affecting swhkd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SWHKD 1.1.5 consumes the keyboard events of unintended users. This could potentially cause an information leak, but is usually a denial of functionality.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.4 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 61%)
CISA exploited list	No
Weakness	CWE-668
Published	2022-04-14
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: waycrate

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-04-14 17:15 UTCPublished CVE record published
2026-06-17 04:37 UTCUpdated Record last modified

waycrate swhkd DOWNGRADE

Affected: 1.1.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.5

1. Check installed version

apt-cache policy swhkd || rpm -q swhkd || swhkd --version

2. No fixed release: DOWNGRADE to a release before 1.1.5 (Debian / Ubuntu)

apt-cache madison swhkd sudo apt install swhkd=<VERSION_BEFORE_1.1.5> sudo apt-mark hold swhkd

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list swhkd sudo dnf downgrade swhkd-<VERSION_BEFORE_1.1.5> sudo dnf versionlock add swhkd

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2022-27817?

swhkd: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-27817 being exploited?

CVE-2022-27817 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-2022-27817 affect?

CVE-2022-27817 affects swhkd. Severity is medium (CVSS 4.4). SWHKD 1.1.5 consumes the keyboard events of unintended users. This could potentially cause an information leak, but is usually a denial of functionality.

How urgent is CVE-2022-27817?

Priority 30/100. Public exploit reference

Related CVEs

CVE-2022-27819 MEDIUM 5.3 DOWNGRADE SWHKD 1.1.5 allows unsafe parsing via the -c option
CVE-2022-27818 CRITICAL 9.1 DOWNGRADE SWHKD 1.1.5 unsafely uses the /tmp/swhkd.sock pathname
CVE-2022-27816 HIGH 7.1 DOWNGRADE SWHKD 1.1.5 unsafely uses the /tmp/swhks.pid pathname
CVE-2022-27815 HIGH 7.8 DOWNGRADE SWHKD 1.1.5 unsafely uses the /tmp/swhkd.pid pathname
CVE-2022-27814 LOW 3.3 DOWNGRADE SWHKD 1.1.5 allows arbitrary file-existence tests via the -c option.

References

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