| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.2 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in Xen. This impacts an unknown function. Executing a manipulation can lead to initialization. This vulnerability appears as CVE-2021-28687. The attack may be performed from remote. There is no available exploit. It is best practice to apply a patch to resolve this issue.
Details
A vulnerability classified as critical was found in Xen (Virtualization Software) (affected version not known). This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a initialization vulnerability. The CWE definition for the vulnerability is CWE-665. The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. As an impact it is known to affect availability.
The weakness was presented 06/11/2021. The advisory is available at xenbits.xenproject.org. This vulnerability was named CVE-2021-28687. The technical details are unknown and an exploit is not available.
Applying a patch is able to eliminate this problem.
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Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.2
VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: InitializationCWE: CWE-665
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
03/18/2021 🔍06/11/2021 🔍
06/11/2021 🔍
06/13/2021 🔍
Sources
Advisory: xenbits.xenproject.orgStatus: Confirmed
CVE: CVE-2021-28687 (🔍)
GCVE (CVE): GCVE-0-2021-28687
GCVE (VulDB): GCVE-100-176878
Entry
Created: 06/11/2021 23:21Updated: 06/13/2021 17:41
Changes: 06/11/2021 23:21 (34), 06/13/2021 17:41 (5)
Complete: 🔍
Cache ID: 216::103
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