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Vulnerability Intelligence

CVE-2016-3643

HighExploitedPublic exploit

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."

Published Jun 17, 2016 · Updated Apr 21, 2026

Key Facts

Patch immediately
  • CVE-2016-3643 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting Virtualization Manager (Solarwinds).
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 3, 2021. Public exploit code is available.
  • EPSS estimates a 3.7% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Virtualization Manager 6.3.1.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

7.8

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

3.7%

Higher than 89.5% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

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Description

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."

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVNov 3, 2021May 3, 2022Not reported
Industry KEV feedNov 3, 2021May 3, 2022Not reported
CIRCL KEVNov 3, 2021May 3, 2022Not reported
ENISA EUVDNov 3, 2021n/aNot reported

Required action: Apply updates per vendor instructions.

Affected Products

1 affected entries in total
ProductAffected versionsFixed in
Virtualization ManagerSolarwindsSee advisory6.3.1

Patched Releases

Virtualization Manager

6.3.1

Timeline

  1. Publicly disclosed

    Jun 17, 2016

  2. Added to CISA KEV

    Nov 3, 2021

  3. Added to Industry KEV feed

    Nov 3, 2021

  4. Added to CIRCL KEV

    Nov 3, 2021

  5. Added to ENISA EUVD

    Nov 3, 2021

  6. Last updated

    Apr 21, 2026

Weakness Type

  • CWE-264

References

1 more references in the full CVE brief

FAQ

Common Questions.

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