CVE-2021-47805: Disk Savvy 13.6.14 contains an unquoted service path vulnerability in its Windows service configuration that a

Routine

HIGH 7.8DOWNGRADE

CVE-2021-47805 is a high-severity flaw (CVSS 7.8) affecting disksavvy. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Disk Savvy 13.6.14 contains an unquoted service path vulnerability in its Windows service configuration that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in service binaries to inject malicious executables that will be run with elevated LocalSystem privileges.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-428
Published	2026-01-16
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: flexense

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

Am I affected?

Timeline

2026-01-16 00:16 UTCPublished CVE record published
2026-06-17 04:18 UTCUpdated Record last modified

flexense disksavvy DOWNGRADE

Affected: 13.6.14

Fixed in: no fixed release known

Safe to downgrade to: a release before 13.6.14

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 13.6.14 (Debian / Ubuntu)

apt-cache madison disksavvy sudo apt install disksavvy=<VERSION_BEFORE_13.6.14> sudo apt-mark hold disksavvy

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

dnf --showduplicates list disksavvy sudo dnf downgrade disksavvy-<VERSION_BEFORE_13.6.14> sudo dnf versionlock add disksavvy

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-2021-47805?

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

Is CVE-2021-47805 being exploited?

CVE-2021-47805 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-2021-47805 affect?

CVE-2021-47805 affects disksavvy. Severity is high (CVSS 7.8). Disk Savvy 13.6.14 contains an unquoted service path vulnerability in its Windows service configuration that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in service binaries to inject

How urgent is CVE-2021-47805?

Priority 36/100. High severity; Public exploit reference

Software pages

Windows vulnerabilities

References

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