CVE-2021-30807
CVSS V2 High 9.3
CVSS V3 High 7.8
Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.
Overview
- CVE ID
- CVE-2021-30807
- Assigner
- product-security@apple.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-10-19T14:15:08
- Last Modified Date
- 2021-10-20T14:56:42
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* | 1 | OR | 14.7.1 | |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | 1 | OR | 14.7.1 | |
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | 1 | OR | 11.5.1 | |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | 1 | OR | 7.6.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:C/I:C/A:C
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 9.3
- Severity
- HIGH
- Exploitability Score
- 8.6
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://support.apple.com/en-us/HT212713 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/HT212622 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/HT212623 | Release Notes Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-30807 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30807 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:50:20 | Added to TrackCVE | |||
| 2022-12-05 12:37:29 | 2021-10-19T14:15Z | 2021-10-19T14:15:08 | CVE Published Date | updated |
| 2022-12-05 12:37:29 | 2021-10-20T14:56:42 | CVE Modified Date | updated | |
| 2022-12-05 12:37:29 | Analyzed | Vulnerability Status | updated |