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CVE-2021-1764
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause a denial of service..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 5/10
- Exploit Score
- 10/10
- Access Vector
- Network
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 2.9/10
- Confidentiality Impact
- None
- Availability Impact
- Partial
- Integrity Impact
- None
CVSSv3.1 Score
- Severity
- High
- Base Score
- 7.5/10
- Exploit Score
- 3.9/10
- Access Vector
- Network
- Access Complexity
- Low
- Privileges Required
- None
- Impact Score
- 3.6/10
- Confidentiality Impact
- None
- Availability Impact
- High
- Integrity Impact
- None
- Scope
- Unchanged
- User Interaction
- None
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* |
Yes
|
10.15 | 10.15.7 | |
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* |
Yes
|
10.14 | 10.14.6 | |
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*: |
Yes
|
- | - | |
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*: |
Yes
|
- | - | |
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*: |
Yes
|
- | - | |
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*: |
Yes
|
- | - | |
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*: |
Yes
|
- | - | |
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*: |
Yes
|
- | - | |
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*: |
Yes
|
- | - | |
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*: |
Yes
|
- | - | |
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*: |
Yes
|
- | - | |
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*: |
Yes
|
- | - | |
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*: |
Yes
|
- | - | |
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
Yes
|
- | 14.4 | |
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
Yes
|
- | 14.4 | |
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* |
Yes
|
- | 14.4 | |
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
Yes
|
- | 7.3 | |
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
Yes
|
11.0 | 11.2 |