CVE-2016-3643

HIGHNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
7.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 4%CVSS: 7.8Exploit: NoneExposed: 0

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

SolarWinds Virtualization Manager 6.3.1 and earlier allow local users to gain privileges by leveraging a misconfiguration of sudo, as demonstrated by "sudo cat /etc/passwd."

CVSS v3
7.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
88.6%
KEV
⚠ Exploited

Published

June 17, 2016

Last Modified

April 21, 2026

Advisory Details (3)

Auto-updated May 19, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-3643
generic🟡 PoC Available

SolarWinds Virtualization Manager - Local Privilege Escalation - Linux local Exploit

https://www.exploit-db.com/exploits/39967/
generic🟡 PoC Available

Full Disclosure: CVE-2016-3643 - Misconfiguration of sudo in Solarwinds Virtualization Manager

http://seclists.org/fulldisclosure/2016/Jun/26

Data Freshness Timeline

(refreshed 43× in last 7d / 226× 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.

Showing the most recent 100 of 463 total refreshes for this CVE.

  1. 2026-07-23 14:14 UTCEPSS rescore
  2. 2026-07-23 01:22 UTCEG score recompute
  3. 2026-07-22 22:02 UTCEG score recompute
  4. 2026-07-22 21:04 UTCGHSA enrichment
  5. 2026-07-22 19:40 UTCCISA KEV update
  6. 2026-07-22 17:07 UTCEG score recompute
  7. 2026-07-22 17:07 UTCGHSA enrichment
  8. 2026-07-22 14:04 UTCEPSS rescore
  9. 2026-07-22 13:12 UTCGHSA enrichment
  10. 2026-07-22 09:16 UTCGHSA enrichment
  11. 2026-07-22 05:20 UTCGHSA enrichment
  12. 2026-07-22 01:05 UTCGHSA enrichment
  13. 2026-07-21 18:31 UTCEG score recompute
  14. 2026-07-21 18:30 UTCGHSA enrichment
  15. 2026-07-21 15:21 UTCEPSS rescore
  16. 2026-07-21 15:21 UTCEPSS rescore
  17. 2026-07-21 14:37 UTCCISA KEV update
  18. 2026-07-21 14:33 UTCGHSA enrichment
  19. 2026-07-21 10:37 UTCGHSA enrichment
  20. 2026-07-21 06:37 UTCGHSA enrichment
  21. 2026-07-21 02:41 UTCGHSA enrichment
  22. 2026-07-20 22:44 UTCGHSA enrichment
  23. 2026-07-20 18:48 UTCEG score recompute
  24. 2026-07-20 18:48 UTCGHSA enrichment
  25. 2026-07-20 17:03 UTCEPSS rescore
Show 75 more
  1. 2026-07-20 14:52 UTCGHSA enrichment
  2. 2026-07-20 10:47 UTCGHSA enrichment
  3. 2026-07-20 06:52 UTCGHSA enrichment
  4. 2026-07-20 02:04 UTCGHSA enrichment
  5. 2026-07-19 22:07 UTCGHSA enrichment
  6. 2026-07-19 18:12 UTCEG score recompute
  7. 2026-07-19 18:11 UTCGHSA enrichment
  8. 2026-07-19 14:27 UTCEPSS rescore
  9. 2026-07-19 14:14 UTCGHSA enrichment
  10. 2026-07-19 10:18 UTCGHSA enrichment
  11. 2026-07-19 06:22 UTCEG score recompute
  12. 2026-07-19 06:22 UTCGHSA enrichment
  13. 2026-07-19 02:26 UTCEPSS rescore
  14. 2026-07-19 02:26 UTCEPSS rescore
  15. 2026-07-19 02:26 UTCGHSA enrichment
  16. 2026-07-18 22:30 UTCGHSA enrichment
  17. 2026-07-18 18:34 UTCGHSA enrichment
  18. 2026-07-18 14:38 UTCGHSA enrichment
  19. 2026-07-18 10:42 UTCEG score recompute
  20. 2026-07-18 10:42 UTCGHSA enrichment
  21. 2026-07-18 10:00 UTCEPSS rescore
  22. 2026-07-18 10:00 UTCEPSS rescore
  23. 2026-07-18 06:45 UTCGHSA enrichment
  24. 2026-07-18 02:49 UTCGHSA enrichment
  25. 2026-07-17 22:53 UTCGHSA enrichment
  26. 2026-07-17 18:57 UTCGHSA enrichment
  27. 2026-07-17 15:01 UTCGHSA enrichment
  28. 2026-07-17 11:05 UTCGHSA enrichment
  29. 2026-07-17 07:09 UTCEG score recompute
  30. 2026-07-17 07:08 UTCGHSA enrichment
  31. 2026-07-17 03:12 UTCGHSA enrichment
  32. 2026-07-16 23:16 UTCGHSA enrichment
  33. 2026-07-16 19:20 UTCGHSA enrichment
  34. 2026-07-16 17:04 UTCCISA KEV update
  35. 2026-07-16 16:59 UTCEPSS rescore
  36. 2026-07-16 16:59 UTCEPSS rescore
  37. 2026-07-16 15:22 UTCGHSA enrichment
  38. 2026-07-16 11:25 UTCGHSA enrichment
  39. 2026-07-16 07:29 UTCGHSA enrichment
  40. 2026-07-16 03:34 UTCGHSA enrichment
  41. 2026-07-15 23:38 UTCGHSA enrichment
  42. 2026-07-15 19:42 UTCGHSA enrichment
  43. 2026-07-15 16:54 UTCEPSS rescore
  44. 2026-07-15 16:54 UTCEPSS rescore
  45. 2026-07-15 16:49 UTCCISA KEV update
  46. 2026-07-15 15:47 UTCGHSA enrichment
  47. 2026-07-15 15:04 UTCCISA KEV update
  48. 2026-07-15 11:51 UTCGHSA enrichment
  49. 2026-07-15 07:56 UTCGHSA enrichment
  50. 2026-07-15 04:00 UTCGHSA enrichment
  51. 2026-07-15 01:56 UTCEPSS rescore
  52. 2026-07-15 01:56 UTCEPSS rescore
  53. 2026-07-15 00:05 UTCGHSA enrichment
  54. 2026-07-14 20:07 UTCGHSA enrichment
  55. 2026-07-14 18:05 UTCCISA KEV update
  56. 2026-07-14 16:06 UTCGHSA enrichment
  57. 2026-07-14 12:08 UTCGHSA enrichment
  58. 2026-07-14 08:12 UTCGHSA enrichment
  59. 2026-07-14 04:16 UTCGHSA enrichment
  60. 2026-07-14 00:20 UTCGHSA enrichment
  61. 2026-07-13 22:26 UTCEPSS rescore
  62. 2026-07-13 20:24 UTCGHSA enrichment
  63. 2026-07-13 17:07 UTCCISA KEV update
  64. 2026-07-13 16:27 UTCGHSA enrichment
  65. 2026-07-13 12:31 UTCGHSA enrichment
  66. 2026-07-13 08:35 UTCGHSA enrichment
  67. 2026-07-13 04:39 UTCGHSA enrichment
  68. 2026-07-13 00:41 UTCGHSA enrichment
  69. 2026-07-12 20:44 UTCGHSA enrichment
  70. 2026-07-12 16:47 UTCGHSA enrichment
  71. 2026-07-12 12:52 UTCGHSA enrichment
  72. 2026-07-12 08:56 UTCGHSA enrichment
  73. 2026-07-12 05:43 UTCEPSS rescore
  74. 2026-07-12 05:43 UTCEPSS rescore
  75. 2026-07-12 05:00 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-39967
    First seen Jun 16, 2016

    SolarWinds Virtualization Manager - Local Privilege Escalation

    Open source ↗

Frequently asked(6)

What is CVE-2016-3643?
CVE-2016-3643 is a high vulnerability published on June 17, 2016. SolarWinds Virtualization Manager 6.3.1 and earlier allow local users to gain privileges by leveraging a misconfiguration of sudo, as demonstrated by "sudo cat /etc/passwd."
When was CVE-2016-3643 disclosed?
CVE-2016-3643 was first published in the National Vulnerability Database on June 17, 2016, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-3643 actively exploited?
Yes. CISA added CVE-2016-3643 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting SolarWinds Virtualization Manager. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2016-3643?
CVE-2016-3643 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2016-3643?
CVE-2016-3643 affects SolarWinds Virtualization Manager. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2016-3643?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-3643, 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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