Oracle VM VirtualBox 7.1.14/7.2.4 Core improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Oracle VM VirtualBox 7.1.14/7.2.4. Affected by this vulnerability is an unknown functionality of the component Core. The manipulation leads to improper authentication. This vulnerability is traded as CVE-2026-21982. Access to the local network is required for this attack to succeed. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle VM VirtualBox 7.1.14/7.2.4. It has been rated as critical. This issue affects some unknown processing of the component Core. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are 7.1.14 and 7.2.4. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

The advisory is shared at oracle.com. The identification of this vulnerability is CVE-2026-21982 since 01/05/2026. The exploitation is known to be difficult. Access to the local network is required for this attack to succeed. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/30/2026).

The vulnerability scanner Nessus provides a plugin with the ID 296414 (Oracle VM VirtualBox (January 2026 CPU)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (296414), EUVD (EUVD-2026-3530) and CERT Bund (WID-SEC-2026-0172). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Oracle VM

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.4
NVD Vector: 🔒

CNA Base Score: 7.5
CNA Vector (oracle): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: Yes
Local: Partially
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 296414
Nessus Name: Oracle VM VirtualBox (January 2026 CPU)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/05/2026 CVE reserved
01/20/2026 +15 days Advisory disclosed
01/20/2026 +0 days VulDB entry created
01/30/2026 +9 days VulDB entry last update

Sourcesinfo

Vendor: oracle.com

Advisory: oracle.com
Status: Confirmed

CVE: CVE-2026-21982 (🔒)
GCVE (CVE): GCVE-0-2026-21982
GCVE (VulDB): GCVE-100-342089
EUVD: 🔒
CERT Bund: WID-SEC-2026-0172 - Oracle Virtualization: Mehrere Schwachstellen

Entryinfo

Created: 01/20/2026 23:49
Updated: 01/30/2026 00:21
Changes: 01/20/2026 23:49 (64), 01/21/2026 06:29 (1), 01/22/2026 09:47 (7), 01/24/2026 09:19 (2), 01/30/2026 00:21 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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