CVE-2025-21104

MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2025-03-13. NVD baseline CVSS 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Dell NetWorker, versions prior to 19.11.0.4 and version 19.12, contains an URL Redirection to Untrusted Site ('Open Redirect') Vulnerability in NetWorker Management Console. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to a targeted application user being redirected to arbitrary web URLs. The vulnerability could be leveraged by attackers to conduct phishing attacks that cause users to divulge sensitive information.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
19(Track)
EG Risk 19/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
20.4%
KEV
Not listed

Published

March 13, 2025

Last Modified

February 13, 2026

References (1)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 14:17 UTCEPSS rescore
  2. 2026-07-23 02:50 UTCEG score recompute
  3. 2026-07-22 14:07 UTCEPSS rescore
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  42. 2026-06-08 14:16 UTCEPSS rescore
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  44. 2026-06-07 15:24 UTCEPSS rescore
  45. 2026-06-06 13:47 UTCEPSS rescore
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  60. 2026-05-31 00:16 UTCEPSS rescore
  61. 2026-05-30 09:37 UTCEG score recompute
  62. 2026-05-30 09:36 UTCGHSA enrichment
  63. 2026-05-29 13:44 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-21104?
CVE-2025-21104 is a medium vulnerability published on March 13, 2025. Dell NetWorker, versions prior to 19.11.0.4 and version 19.12, contains an URL Redirection to Untrusted Site ('Open Redirect') Vulnerability in NetWorker Management Console. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to a targeted…
When was CVE-2025-21104 disclosed?
CVE-2025-21104 was first published in the National Vulnerability Database on March 13, 2025, with the most recent update on February 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-21104 actively exploited?
CVE-2025-21104 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-21104?
CVE-2025-21104 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2025-21104?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-21104, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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