CVE-2021-1770
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
A buffer overflow may result in arbitrary code execution. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A logic issue was addressed with improved state management.
Overview
- CVE ID
- CVE-2021-1770
- Assigner
- product-security@apple.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-09-08T15:15:09
- Last Modified Date
- 2021-09-16T15:09:23
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | 1 | OR | 14.5 | |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | 1 | OR | 14.5 | |
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | 1 | OR | 11.0 | 11.3 |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | 1 | OR | 14.5 | |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | 1 | OR | 7.4 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://support.apple.com/en-us/HT212317 | Vendor Advisory |
| https://support.apple.com/en-us/HT212325 | Vendor Advisory |
| https://support.apple.com/en-us/HT212323 | Vendor Advisory |
| https://support.apple.com/en-us/HT212324 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-1770 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1770 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:05:00 | Added to TrackCVE | |||
| 2022-12-05 09:57:25 | 2021-09-08T15:15Z | 2021-09-08T15:15:09 | CVE Published Date | updated |
| 2022-12-05 09:57:25 | 2021-09-16T15:09:23 | CVE Modified Date | updated | |
| 2022-12-05 09:57:25 | Analyzed | Vulnerability Status | updated |