CVE-2021-1764
CVSS V2 Medium 5
CVSS V3 High 7.5
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.
Overview
- CVE ID
- CVE-2021-1764
- Assigner
- product-security@apple.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-04-02T18:15:20
- Last Modified Date
- 2021-04-09T00:36:40
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | 1 | OR | 14.4 | |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | 1 | OR | 14.4 | |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | 1 | OR | 10.14 | 10.14.6 |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | 1 | OR | 10.15 | 10.15.7 |
| cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | 1 | OR | 11.0 | 11.2 |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | 1 | OR | 14.4 | |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | 1 | OR | 7.3 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://support.apple.com/en-us/HT212146 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/HT212149 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/HT212147 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/HT212148 | Release Notes Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-1764 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1764 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:16:37 | Added to TrackCVE | |||
| 2022-12-06 01:01:00 | 2021-04-02T18:15Z | 2021-04-02T18:15:20 | CVE Published Date | updated |
| 2022-12-06 01:01:00 | 2021-04-09T00:36:40 | CVE Modified Date | updated | |
| 2022-12-06 01:01:00 | Analyzed | Vulnerability Status | updated |