CVE-2021-26824: DM FingerTool v1.19 in the DM PD065 Secure USB is susceptible to improper authentication by a replay attack, a

Routine

HIGH 7.1DOWNGRADE

CVE-2021-26824 is a high-severity flaw (CVSS 7.1) affecting dm fingertool. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

DM FingerTool v1.19 in the DM PD065 Secure USB is susceptible to improper authentication by a replay attack, allowing local attackers to bypass user authentication and access all features and data on the USB.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.1 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-294
Published	2021-07-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dm fingertool project

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

Am I affected?

Timeline

2021-07-26 13:15 UTCPublished CVE record published
2026-06-17 03:43 UTCUpdated Record last modified

dm fingertool project dm fingertool DOWNGRADE

Affected: 1.19

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.19

1. Check installed version

apt-cache policy dm-fingertool || rpm -q dm-fingertool || dm-fingertool --version

2. No fixed release: DOWNGRADE to a release before 1.19 (Debian / Ubuntu)

apt-cache madison dm-fingertool sudo apt install dm-fingertool=<VERSION_BEFORE_1.19> sudo apt-mark hold dm-fingertool

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

dnf --showduplicates list dm-fingertool sudo dnf downgrade dm-fingertool-<VERSION_BEFORE_1.19> sudo dnf versionlock add dm-fingertool

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-2021-26824?

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

Is CVE-2021-26824 being exploited?

CVE-2021-26824 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-2021-26824 affect?

CVE-2021-26824 affects dm fingertool. Severity is high (CVSS 7.1). DM FingerTool v1.19 in the DM PD065 Secure USB is susceptible to improper authentication by a replay attack, allowing local attackers to bypass user authentication and access all features and data on the USB.

How urgent is CVE-2021-26824?

Priority 39/100. High severity; Public exploit reference

References

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