CVE-2021-45338
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Avast Antivirus是捷克爱维士（Avast）公司的一套杀毒软件。 Avast Antivirus 存在安全漏洞，该漏洞源于 Avast Antivirus 20.4 版本之前的多个提权漏洞允许本地用户通过调用主防病毒服务的不必要的强大内部方法来获得提权，这可能导致 (1) 任意文件删除、(2) 写入和 (3) 重置 安全。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-45338
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple privilege escalation vulnerabilities in Avast Antivirus prior to 20.4 allow a local user to gain elevated privileges by calling unnecessarily powerful internal methods of the main antivirus service which could lead to the (1) arbitrary file delete, (2) write and (3) reset security.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Avast antivirus 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Avast Antivirus是捷克爱维士（Avast）公司的一套杀毒软件。 Avast Antivirus 存在安全漏洞，该漏洞源于 Avast Antivirus 20.4 版本之前的多个提权漏洞允许本地用户通过调用主防病毒服务的不必要的强大内部方法来获得提权，这可能导致 (1) 任意文件删除、(2) 写入和 (3) 重置 安全。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-45338
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-45338 (3)
Same Patch Batch · n/a · 2021-12-27 · 27 CVEs total
| CVE-2021-45895 | Netgen Tags Bundle 跨站脚本漏洞 | |
| CVE-2021-45843 | glFusion CMS 跨站脚本漏洞 | |
| CVE-2021-45788 | MeterSphere SQL注入漏洞 | |
| CVE-2021-45789 | MeterSphere 安全漏洞 | |
| CVE-2021-45790 | MeterSphere 代码问题漏洞 | |
| CVE-2021-45335 | Avast Antivirus 安全漏洞 | |
| CVE-2021-45336 | Avast Antivirus Sandbox component 权限许可和访问控制问题漏洞 | |
| CVE-2021-45337 | Avast Antivirus Self-Defense driver 权限许可和访问控制问题漏洞 | |
| CVE-2021-45339 | Avast antivirus 安全漏洞 | |
| CVE-2021-23244 | OPPO ColorOS 安全漏洞 | |
| CVE-2021-21751 | ZTE BigVideo Analysis product 输入验证错误漏洞 | |
| CVE-2021-21750 | ZTE Big Video Analysis Product 权限许可和访问控制问题漏洞 | |
| CVE-2021-45890 | AuthGuard 授权问题漏洞 | |
| CVE-2021-45904 | OpenWrt 跨站脚本漏洞 | |
| CVE-2020-20943 | Qibosoft qibosoft 跨站请求伪造漏洞 | |
| CVE-2020-20945 | Qibosoft 跨站请求伪造漏洞 | |
| CVE-2020-20944 | Qibosoft qibosoft 路径遍历漏洞 | |
| CVE-2020-20946 | Qibosoft 跨站脚本漏洞 | |
| CVE-2020-20948 | jeecg 访问控制错误漏洞 | |
| CVE-2021-45896 | Nokia FastMile 3TG00118ABAD52 安全漏洞 |
Showing top 20 of 27 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-45338
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