| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as problematic has been found in Apple watchOS. This issue affects some unknown processing of the component ImageIO. The manipulation results in denial of service. This vulnerability was named CVE-2021-1766. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.
Details
A vulnerability, which was classified as problematic, was found in Apple watchOS (Smartwatch Operating System) (the affected version unknown). Affected is an unknown part of the component ImageIO. 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 presented 02/01/2021 by Danny Rosseau as confirmed advisory (Website). This vulnerability is traded as CVE-2021-1766 since 12/08/2020. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: 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: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
12/08/2020 🔍02/01/2021 🔍
02/01/2021 🔍
04/03/2021 🔍
04/09/2021 🔍
Sources
Vendor: apple.comResearcher: Danny Rosseau
Status: Confirmed
CVE: CVE-2021-1766 (🔍)
GCVE (CVE): GCVE-0-2021-1766
GCVE (VulDB): GCVE-100-172308
Entry
Created: 04/03/2021 12:02Updated: 04/09/2021 10:47
Changes: 04/03/2021 12:02 (33), 04/09/2021 10:47 (9)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.

No comments yet. Languages: en.
Please log in to comment.