How severe is CVE-2025-21103?

CVE-2025-21103 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-21103 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-21103?

CVE-2025-21103 affects Dell Networker. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-21103?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-21103 have an EU (EUVD) identifier?

Yes. CVE-2025-21103 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4866.

When was CVE-2025-21103 published?

CVE-2025-21103 was published on 2025-02-17 and last updated on 2026-06-17.

CVE-2025-21103

CVE-2025-21103 is a high-severity vulnerability in Dell Networker with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-97.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-4866
Weakness: CWE-97
Affected product: Dell Networker
Published: 2025-02-17
Last modified: 2026-06-17

Description

Dell NetWorker Management Console, version(s) 19.11 through 19.11.0.3 & Versions prior to 19.10.0.7 contain(s) an improper neutralization of server-side vulnerability. An unauthenticated attacker with local access could potentially exploit this vulnerability and run arbitrary code on the server.

Frequently asked questions

What is CVE-2025-21103?: Dell NetWorker Management Console, version(s) 19.11 through 19.11.0.3 & Versions prior to 19.10.0.7 contain(s) an improper neutralization of server-side vulnerability. An unauthenticated attacker with local access could potentially exploit this vulnerability and run arbitrary code on the server.
How severe is CVE-2025-21103?: CVE-2025-21103 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-21103 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-21103?: CVE-2025-21103 affects Dell Networker. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-21103?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-21103 have an EU (EUVD) identifier?: Yes. CVE-2025-21103 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4866.
When was CVE-2025-21103 published?: CVE-2025-21103 was published on 2025-02-17 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000286268/dsa-2025-095-security-update-for-dell-networker-management-console-vulnerability

Affected products (1)

cpe:2.3:a:dell:networker:*:*:*:*:*:*:*:*

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