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TI-2021-01953 Aliases CVE-2021-2279GHSA-cfg7-jr9x-46h2

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component…

Priority MEDIUM 43Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.20. Difficult to exploit vulnerability allows unauthenticated attacker with network access via RDP to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0331 88th percentileScored 2026-11-07
Fix Fixed VM VirtualBox (Oracle Corporation): 6.1.20

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OracleVM VirtualBoxbefore 6.1.206.1.20Patch availableCNA
  • VM VirtualBox VendorOracle Affected before 6.1.20 Fixed in 6.1.20 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:*before 6.1.20VulnerableOracle
  • cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:* Versions before 6.1.20 Vulnerable ·Oracle

Remediation

  • Fix · CNA VM VirtualBox (Oracle Corporation) Fixed in 6.1.20

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Oracle VM VirtualBox 6.1.20

    20 records Highest priority Priority MEDIUM 2 MEDIUM, 18 LOW

    Other records, highest priority first

    • TI-2021-01939 Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component…Priority MEDIUM 40
    • TI-2021-01925 Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component…Priority LOW 39
    • TI-2021-01984 Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component…Priority LOW 36

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-2279
  2. 2026-10-03 Alias added: GHSA-cfg7-jr9x-46h2

References

  • TI-2019-02266 Injection in Oracle Tape Library ACSLS KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-00205 Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and… CVSS 2.0HIGH 10.0
  • TI-2025-21985 Integer overflow in Oracle VM VirtualBox CVSS 3.1HIGH 8.1
  • TI-2024-13903 Improper privilege management in Oracle VM VirtualBox CVSS 3.1HIGH 7.8
  • TI-2017-03706 Observable discrepancy in Intel Microprocessors with Speculative Execution CVSS 3.1MEDIUM 5.6
  • TI-2015-06741 The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows… CVSS 3.1CRITICAL 10.0
See all 482 →

Sources