CVE-2021-38784
CVSS V2 High 7.8
CVSS V3 High 7.5
Description
There is a NULL pointer dereference in the syscall open_exec function of Allwinner R818 SoC Android Q SDK V1.0 that could executable a malicious file to cause a system crash.
Overview
- CVE ID
- CVE-2021-38784
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2022-01-18T14:15:08
- Last Modified Date
- 2022-01-26T17:32:25
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:allwinnertech:android_q_sdk:1.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:allwinnertech:r818:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- COMPLETE
- Base Score
- 7.8
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.9
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://www.cnvd.org.cn/flaw/show/CNVD-2021-49172 | Third Party Advisory |
| https://www.allwinnertech.com/index.php?c=product&a=index&id=92 | Product Third Party Advisory |
| https://vul.wangan.com/a/CNVD-2021-49172 | Third Party Advisory |
| https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9ASyscall%20open_exec%20has%20Null%20Pointer%20Dereference%20Vulnerability.md | Broken Link |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-38784 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38784 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:36:10 | Added to TrackCVE | |||
| 2022-12-06 06:51:15 | 2022-01-18T14:15Z | 2022-01-18T14:15:08 | CVE Published Date | updated |
| 2022-12-06 06:51:15 | 2022-01-26T17:32:25 | CVE Modified Date | updated | |
| 2022-12-06 06:51:15 | Analyzed | Vulnerability Status | updated |