CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
2.3 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, has been found in Xen (Virtualization Software) (unknown version). This issue affects an unknown code block of the component dom0less. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability.
The weakness was presented 08/28/2021. The advisory is shared at xenbits.xenproject.org. The identification of this vulnerability is CVE-2021-28700. Neither technical details nor an exploit are publicly available.
Applying a patch is able to eliminate this problem.
Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 2.4VulDB Meta Temp Score: 2.3
VulDB Base Score: 2.4
VulDB Temp Score: 2.3
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: Resource consumptionCWE: CWE-400 / CWE-404
ATT&CK: Unknown
Local: No
Remote: Partially
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 🔍08/28/2021 🔍
08/28/2021 🔍
09/01/2021 🔍
Sources
Advisory: xenbits.xenproject.orgStatus: Confirmed
CVE: CVE-2021-28700 (🔍)
Entry
Created: 08/28/2021 06:17Updated: 09/01/2021 14:25
Changes: 08/28/2021 06:17 (36), 09/01/2021 14:25 (2)
Complete: 🔍
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