Vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization (subcomponent: Core). The supported version that is affected is Prior to 5.2.16. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data. CVSS 3.0 Base Score 6.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N).
CVE-2018-3091
MEDIUMNVD 6.36.3—
EchelonGraph scoreMEDIUM confidence
Score 6.3 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 6.3; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.3Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.3
- EG Score
- 6.3(medium)
- EPSS
- 43.5%
- KEV
- Not listed
Published
July 18, 2018
Last Modified
November 21, 2024
References (6)
- secalert_us@oraclehttp://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- secalert_us@oraclehttp://www.securityfocus.com/bid/104764
- secalert_us@oraclehttp://www.securitytracker.com/id/1041296
- af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/104764
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1041296
Data Freshness Timeline
(refreshed 13× in last 7d / 50× 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.
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- 2026-05-28 05:00 UTCEG score recompute
- 2026-05-28 05:00 UTCGHSA enrichment
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- 2026-05-24 23:13 UTCOSV refresh
Frequently asked(5)
What is CVE-2018-3091?
CVE-2018-3091 is a medium vulnerability published on July 18, 2018. Vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization (subcomponent: Core). The supported version that is affected is Prior to 5.2.16. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle VM VirtualBox executes to…
When was CVE-2018-3091 disclosed?
CVE-2018-3091 was first published in the National Vulnerability Database on July 18, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-3091 actively exploited?
CVE-2018-3091 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 43.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-3091?
CVE-2018-3091 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2018-3091?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-3091, 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.
Dependency Blast Radius
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