| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in Huawei HarmonyOS. The impacted element is an unknown function of the component Kernel. Such manipulation leads to use after free. This vulnerability is traded as CVE-2021-22466. An attack has to be approached locally. Furthermore, there is an exploit available.
Details
A vulnerability, which was classified as critical, has been found in Huawei HarmonyOS (version unknown). Affected by this issue is an unknown function of the component Kernel. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is availability.
The weakness was shared 10/28/2021. The advisory is available at device.harmonyos.com. This vulnerability is handled as CVE-2021-22466 since 01/05/2021. Technical details are unknown but an exploit is available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/28/2021).
It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
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Product
Type
Vendor
Name
License
Website
- Vendor: https://www.huawei.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
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: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Proof-of-Concept
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: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/05/2021 🔍10/28/2021 🔍
10/28/2021 🔍
11/01/2021 🔍
Sources
Vendor: huawei.comAdvisory: device.harmonyos.com
Status: Confirmed
CVE: CVE-2021-22466 (🔍)
GCVE (CVE): GCVE-0-2021-22466
GCVE (VulDB): GCVE-100-185654
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 10/28/2021 20:11Updated: 11/01/2021 14:51
Changes: 10/28/2021 20:11 (37), 11/01/2021 14:51 (1)
Complete: 🔍
Cache ID: 216::103
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