| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Xen and classified as problematic. This affects an unknown function of the component PoD Operation Handler. Such manipulation leads to denial of service. This vulnerability is traded as CVE-2021-28708. The attack may be launched remotely. There is no exploit available. Applying a patch is advised to resolve this issue.
Details
A vulnerability, which was classified as critical, has been found in Xen (Virtualization Software) (the affected version is unknown). Affected by this issue is an unknown code of the component PoD Operation Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.
The weakness was shared 11/24/2021. The advisory is shared for download at xenbits.xenproject.org. This vulnerability is handled as CVE-2021-28708 since 03/18/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.
Applying a patch is able to eliminate this problem.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
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 🔍11/24/2021 🔍
11/24/2021 🔍
11/27/2021 🔍
Sources
Advisory: xenbits.xenproject.orgStatus: Confirmed
CVE: CVE-2021-28708 (🔍)
GCVE (CVE): GCVE-0-2021-28708
GCVE (VulDB): GCVE-100-187184
Entry
Created: 11/24/2021 08:17Updated: 11/27/2021 11:51
Changes: 11/24/2021 08:17 (37), 11/27/2021 11:51 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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