CVE-2021-47849: Mini Mouse 9.3.0 contains a path traversal vulnerability that allows attackers to access sensitive system dire

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MEDIUM 6.2DOWNGRADE

CVE-2021-47849 is a medium-severity flaw (CVSS 6.2) affecting mini mouse. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Mini Mouse 9.3.0 contains a path traversal vulnerability that allows attackers to access sensitive system directories through the device information endpoint. Attackers can retrieve file lists from system directories like /usr, /etc, and /var by manipulating file path parameters in API requests.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.2 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-01-21
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: yodinfo

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

Am I affected?

Timeline

2026-01-21 18:16 UTCPublished CVE record published
2026-06-17 04:18 UTCUpdated Record last modified

yodinfo mini mouse DOWNGRADE

Affected: 9.3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.3.0

1. Check installed version

apt-cache policy mini-mouse || rpm -q mini-mouse || mini-mouse --version

2. No fixed release: DOWNGRADE to a release before 9.3.0 (Debian / Ubuntu)

apt-cache madison mini-mouse sudo apt install mini-mouse=<VERSION_BEFORE_9.3.0> sudo apt-mark hold mini-mouse

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

dnf --showduplicates list mini-mouse sudo dnf downgrade mini-mouse-<VERSION_BEFORE_9.3.0> sudo dnf versionlock add mini-mouse

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-2021-47849?

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

Is CVE-2021-47849 being exploited?

CVE-2021-47849 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-2021-47849 affect?

CVE-2021-47849 affects mini mouse. Severity is medium (CVSS 6.2). Mini Mouse 9.3.0 contains a path traversal vulnerability that allows attackers to access sensitive system directories through the device information endpoint. Attackers can retrieve file lists from system directories like /usr, /etc, and /v

How urgent is CVE-2021-47849?

Priority 40/100. Public exploit reference

Related CVEs

CVE-2021-47851 CRITICAL 9.8 DOWNGRADE Mini Mouse 9.2.0 contains a remote code execution vulnerability that allows attackers to execute arbitrary com
CVE-2021-47850 HIGH 7.5 DOWNGRADE Mini Mouse 9.2.0 contains a path traversal vulnerability that allows remote attackers to access arbitrary syst

References

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