ExploitedIn CISA KEV

CVE-2016-3643

Exploitation confirmed. First attested on 2021-11-03 by CISA-ADP, CISA KEV, GCVE · kevintel.

Published2016-06-17
WeaknessCWE-264

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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."

Timeline

dates in UTC

2016-06-1715:59CVE publishedNVD
2021-11-03Added to the CISA KEV catalogCISA KEV
2021-11-03Listed as exploited by GCVEGCVE
2021-11-03Exploitation first reportedCISA KEV
2025-02-0420:59SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-3643?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-3643?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Solarwinds virtualization manager

Branch	Affected	Fixed in	Source
6.3	≤ 6.3.1	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

CISA’s required action: Apply updates per vendor instructions.due 2022-05-03

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: EDB-39967
Proof-of-concept repositories: none listed

CISA Known Exploited Vulnerability

Date Added: 2021-11-03
Patch Due Date: 2022-05-03
Ransomware Use: Unknown
Required Action: Apply updates per vendor instructions.

Sources

CISA KEVKEV entry2021-11-03
GCVEexploitation2021-11-03
CISA-ADPSSVC decisionactive2025-02-04
OpenCVESSVC decisionactive—
CISA-ADPCVSS 3.17.82025-02-04
NVDCVSS 3.17.8read 2026-10-23
NVDCVSS 2.07.2read 2026-10-23
NVDweakness (CWE)CWE-264read 2026-10-23
FIRST EPSSEPSS score3.7 %2026-10-22
Exploit-DBdetectionread 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2016-06-17
Last Modified: 2026-06-17
NVD status: Analyzed

Frequently asked questions

What is CVE-2016-3643?

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."

Is CVE-2016-3643 actively exploited?

Yes. CVE-2016-3643 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-05-03.

What is the CVSS score for CVE-2016-3643?

CVE-2016-3643 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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