Threats / SolarWinds / CVE-2016-3643
CVE-2016-3643
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-08-04
SolarWinds Virtualization Manager vulnerability
SolarWinds Virtualization Manager contains a privilege escalation vulnerability through sudo misconfiguration, allowing attackers to gain elevated system access.
Verdict
Today item — known-exploited.
A privilege escalation flaw in SolarWinds Virtualization Manager enables attackers with local access to escalate privileges via misconfigured sudo permissions. This vulnerability has been exploited in the wild and could allow unauthorized system control.
CISA KEV Yes · 2021-11-034EPSS 0.03704 (verify live)5CVSS 7.8 (CISA)3CISA SSVC Exploitation: active · Automatable: no · Impact: total3
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
1 independent public report of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03).
Probability (EPSS)
EPSS 0.03704 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
CVSS 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) · Affected: SolarWinds, Virtualization Manager. Confirm exact fixed builds in the vendor advisory.CVSS — CISA-assigned via the ADP container (CVE.org), version 3.1; the CNA left no metrics, so CISA's own score is used ahead of NVD.
Weakness (CWE)
Mapped to CWE-264 Permissions/Privileges/Access Control — weakness family: Authorization / access control.CWE assignment from the public NVD record (may be stale); the weakness class drives how the flaw is exploited.
CISA SSVC (triage disposition)
Exploitation: active · Automatable: no · Technical Impact: totalCISA's own stakeholder-specific triage inputs, published in the CVE record (CISA Coordinator role). NOTE: this is CISA's three decision points; the final Act/Attend/Track decision also requires a Mission & Well-being input not published here, so no overall decision is asserted.
Currency of the record
CISA added this to its KEV catalog 1965 days after the CVE record was published.KEV lag = CISA-KEV dateAdded − CVE.org datePublished; a floor on how long the known-exploited flaw sat in the public record before the federal catalog listed it. Severity/weakness here is CNA- or CISA-assigned (current at disclosure), independent of NVD's analysis backlog.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I gain initial access to a system running SolarWinds Virtualization Manager with limited user privileges.
Business
An attacker establishes a foothold within the virtualization infrastructure, potentially compromising multiple virtual environments.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I identify and exploit the misconfigured sudo permissions to escalate my privileges to root or administrator level.
Business
The attacker obtains full system control, enabling lateral movement across the virtualized environment and access to sensitive data.
3
Lateral reach — past segmentation narrative 3
Attacker
I leverage elevated privileges to modify system configurations, install backdoors, or access protected resources.
Business
The organization loses control of its virtualization infrastructure, risking data breach, service disruption, and compromise of all hosted systems.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05