CVE-2025-21101: Dell Display Manager, versions prior to 2.3.2.20, contain a race condition vulnerability. A local malicious us

Q: How do I fix CVE-2025-21101?

display manager: upgrade to 2.3.2.20. Exact commands for each OS are on this page.

Q: Is CVE-2025-21101 being exploited?

CVE-2025-21101 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-21101 affect?

CVE-2025-21101 affects display manager. Severity is medium (CVSS 6.6). Dell Display Manager, versions prior to 2.3.2.20, contain a race condition vulnerability. A local malicious user could potentially exploit this vulnerability during installation, leading to arbitrary folder or file deletion.

Q: How urgent is CVE-2025-21101?

Priority 23/100. No elevated risk signals yet.

Routine

MEDIUM 6.6UPGRADE

CVE-2025-21101 is a medium-severity flaw (CVSS 6.6) affecting display manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Dell Display Manager, versions prior to 2.3.2.20, contain a race condition vulnerability. A local malicious user could potentially exploit this vulnerability during installation, leading to arbitrary folder or file deletion.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.6 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.1% (top 99%)
CISA exploited list	No
Weakness	CWE-362
Published	2025-01-15
Last modified	2026-06-17

Publisher (CNA): Dell · Vendor: dell

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

Am I affected?

Timeline

2025-01-15 05:15 UTCPublished CVE record published
2026-06-17 08:42 UTCUpdated Record last modified

dell display manager UPGRADE

Affected: < 2.3.2.20

Fixed in: 2.3.2.20

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy display-manager || rpm -q display-manager || display-manager --version

2. UPGRADE to 2.3.2.20 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade display-manager

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade display-manager

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2025-21101?

display manager: upgrade to 2.3.2.20. Exact commands for each OS are on this page.

Is CVE-2025-21101 being exploited?

CVE-2025-21101 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-2025-21101 affect?

CVE-2025-21101 affects display manager. Severity is medium (CVSS 6.6). Dell Display Manager, versions prior to 2.3.2.20, contain a race condition vulnerability. A local malicious user could potentially exploit this vulnerability during installation, leading to arbitrary folder or file deletion.

How urgent is CVE-2025-21101?

Priority 23/100. No elevated risk signals yet.

Software pages

Dell vulnerabilities

Related CVEs

CVE-2025-22394 MEDIUM 6.7 UPGRADE Dell Display Manager, versions prior to 2.3.2.18, contain a Time-of-check Time-of-use (TOCTOU) Race Condition

References

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