What is CVE-2018-3055?

CVE-2018-3055 is a high-severity vulnerability in Oracle Vm Virtualbox. CVSS score: 7.1/10. Published 2018-07-18.

How severe is CVE-2018-3055?

High severity. CVSS v3 base score is 7.1 out of 10.

Is CVE-2018-3055 known to be exploited?

6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Oracle Vm Virtualbox

CVE-2018-3055

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 ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox and unauthorized read access to a subset of Oracle VM VirtualBox accessible data. CVSS 3.0 Base Score 7.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:H).

Published 2018-07-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (40.8th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Oracle Vm Virtualbox
Oracle Corporation Vm Virtualbox — versions unspecified

Public proof-of-concept exploits

References

www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html (Patch, Vendor Advisory)
www.securityfocus.com/bid/104764 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1041296 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-3055?: CVE-2018-3055 is a high-severity vulnerability in Oracle Vm Virtualbox. CVSS score: 7.1/10. Published 2018-07-18.
How severe is CVE-2018-3055?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2018-3055 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.