CVE-2026-20246

MEDIUMPre-NVD 6.06.0
EchelonGraph scoreHIGH confidence

Score 6.0 from GitHub Security Advisory published 2026-06-17. a secondary CVSS source baseline 6.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
6.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.0Exploit: NoneExposed: 0

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

A vulnerability in the vmadmin CLI of Cisco Umbrella Virtual Appliance could allow an authenticated, local attacker to elevate privileges on an affected device. This vulnerability is due to insufficient validation of user-supplied commands. An attacker with vmadmin privileges could exploit this vulnerability by using certain commands at the CLI. A successful exploit could allow the attacker to elevate privileges to root.

CVSS v3
6.0
EG Score
6.0(high)
EPSS
1.2%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 22, 2026

Advisory Details (1)

Auto-updated Jun 17, 2026
No patch confirmed yet.

Vendor Advisories for CVE-2026-20246(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 55× 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. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-21 15:24 UTCEPSS rescore
  3. 2026-07-21 15:24 UTCEPSS rescore
  4. 2026-07-20 17:08 UTCEPSS rescore
  5. 2026-07-19 14:31 UTCEPSS rescore
  6. 2026-07-19 14:31 UTCEPSS rescore
  7. 2026-07-18 10:04 UTCEPSS rescore
  8. 2026-07-18 10:04 UTCEPSS rescore
  9. 2026-07-16 17:03 UTCEPSS rescore
  10. 2026-07-16 17:03 UTCEPSS rescore
  11. 2026-07-16 07:57 UTCGHSA enrichment
  12. 2026-07-15 16:57 UTCEPSS rescore
  13. 2026-07-15 16:57 UTCEPSS rescore
  14. 2026-07-15 06:36 UTCGHSA enrichment
  15. 2026-07-14 04:43 UTCGHSA enrichment
  16. 2026-07-13 22:30 UTCEPSS rescore
  17. 2026-07-13 03:21 UTCGHSA enrichment
  18. 2026-07-12 05:46 UTCEPSS rescore
  19. 2026-07-12 05:46 UTCEPSS rescore
  20. 2026-07-12 01:59 UTCGHSA enrichment
  21. 2026-07-11 00:38 UTCGHSA enrichment
  22. 2026-07-09 23:16 UTCGHSA enrichment
  23. 2026-07-09 19:10 UTCEPSS rescore
  24. 2026-07-08 21:53 UTCGHSA enrichment
  25. 2026-07-08 15:15 UTCEPSS rescore
Show 40 more
  1. 2026-07-08 15:15 UTCEPSS rescore
  2. 2026-07-07 20:33 UTCGHSA enrichment
  3. 2026-07-07 13:46 UTCEPSS rescore
  4. 2026-07-06 19:12 UTCGHSA enrichment
  5. 2026-07-05 17:21 UTCGHSA enrichment
  6. 2026-07-05 02:30 UTCEPSS rescore
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-04 15:58 UTCGHSA enrichment
  9. 2026-07-04 06:31 UTCEPSS rescore
  10. 2026-07-03 14:37 UTCGHSA enrichment
  11. 2026-07-02 13:17 UTCGHSA enrichment
  12. 2026-07-01 15:06 UTCEPSS rescore
  13. 2026-07-01 15:06 UTCEPSS rescore
  14. 2026-07-01 11:53 UTCGHSA enrichment
  15. 2026-06-30 23:22 UTCEPSS rescore
  16. 2026-06-30 10:31 UTCGHSA enrichment
  17. 2026-06-29 09:08 UTCGHSA enrichment
  18. 2026-06-28 14:07 UTCEPSS rescore
  19. 2026-06-28 07:46 UTCGHSA enrichment
  20. 2026-06-28 04:56 UTCEPSS rescore
  21. 2026-06-28 04:56 UTCEPSS rescore
  22. 2026-06-27 06:26 UTCGHSA enrichment
  23. 2026-06-27 03:08 UTCEPSS rescore
  24. 2026-06-26 05:03 UTCGHSA enrichment
  25. 2026-06-25 13:49 UTCEPSS rescore
  26. 2026-06-25 03:43 UTCGHSA enrichment
  27. 2026-06-24 14:05 UTCEPSS rescore
  28. 2026-06-24 02:11 UTCGHSA enrichment
  29. 2026-06-23 21:32 UTCEPSS rescore
  30. 2026-06-23 00:50 UTCGHSA enrichment
  31. 2026-06-21 23:17 UTCGHSA enrichment
  32. 2026-06-21 01:59 UTCEPSS rescore
  33. 2026-06-21 01:59 UTCEPSS rescore
  34. 2026-06-20 21:55 UTCGHSA enrichment
  35. 2026-06-19 20:33 UTCGHSA enrichment
  36. 2026-06-19 19:25 UTCEPSS rescore
  37. 2026-06-18 19:13 UTCGHSA enrichment
  38. 2026-06-18 17:52 UTCEPSS rescore
  39. 2026-06-17 17:52 UTCEG score recompute
  40. 2026-06-17 17:52 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-20246?
CVE-2026-20246 is a medium vulnerability published on June 17, 2026. A vulnerability in the vmadmin CLI of Cisco Umbrella Virtual Appliance could allow an authenticated, local attacker to elevate privileges on an affected device. This vulnerability is due to insufficient validation of user-supplied commands. An attacker with vmadmin privileges could exploit this…
When was CVE-2026-20246 disclosed?
CVE-2026-20246 was first published in the National Vulnerability Database on June 17, 2026, with the most recent update on June 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-20246 actively exploited?
CVE-2026-20246 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-20246?
CVE-2026-20246 has a CVSS v3 base score of 6.0 (NVD).
How do I remediate CVE-2026-20246?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-20246, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-20246

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