| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.2 | $0-$5k | 0.00 |
Summary
A vulnerability identified as critical has been detected in Oracle VM VirtualBox up to 6.1.17. The affected element is an unknown function. Performing a manipulation results in denial of service. This vulnerability is identified as CVE-2021-2127. The attack is only possible with local access. There is not any exploit available. You should upgrade the affected component.
Details
A vulnerability classified as critical has been found in Oracle VM VirtualBox up to 6.1.17 (Virtualization Software). This affects some unknown functionality. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.
The weakness was released 01/20/2021 as Oracle Critical Patch Update Advisory - January 2021. It is possible to read the advisory at oracle.com. This vulnerability is uniquely identified as CVE-2021-2127. The technical details are unknown and an exploit is not publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 259887 (Linux Distros Unpatched Vulnerability : CVE-2021-2127), which helps to determine the existence of the flaw in a target environment.
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (259887). Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.oracle.com
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.4VulDB Meta Temp Score: 4.2
VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 259887
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2021-2127
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
12/09/2020 🔍01/20/2021 🔍
01/20/2021 🔍
01/20/2021 🔍
08/31/2025 🔍
Sources
Vendor: oracle.comAdvisory: Oracle Critical Patch Update Advisory - January 2021
Status: Confirmed
CVE: CVE-2021-2127 (🔍)
GCVE (CVE): GCVE-0-2021-2127
GCVE (VulDB): GCVE-100-168471
Entry
Created: 01/20/2021 19:48Updated: 08/31/2025 21:13
Changes: 01/20/2021 19:48 (39), 02/18/2021 08:25 (5), 02/18/2021 08:28 (8), 08/31/2025 21:13 (16)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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