CVE-2016-3643

CRITICALNVD 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 4%CVSS: 7.8Exploit: cisa kev · ssvc active · public exploitExposed: 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 PROB
4%
EPSS %ILE
89%
KEV
⚠ Exploited

Published

June 17, 2016

Last Modified

June 17, 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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 57× in last 7d / 244× 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 925 total refreshes for this CVE.

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

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 critical 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 June 17, 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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