CVE-2020-13364
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.
ZyXEL Zyxel NAS520等都是中国台湾合勤（ZyXEL）公司的一款NAS（网络附加存储）设备。 多款Zyxel产品中存在安全漏洞，该漏洞源于设备中存在后门。攻击者可借助CGI脚本利用该漏洞进行远程TELNET访问。以下产品及版本受到影响：Zyxel NAS520 V5.21(AASZ.4)C0版本，V5.21(AASZ.0)C0版本，V5.11(AASZ.3)C0版本，V5.11(AASZ.0)C0版本；NAS542 V5.11(ABAG.0)C0版本，V5.20(ABAG.1)C0版本，V5
Possible ATT&CK Techniques 2 AI
T1133 · External Remote Services T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-13364
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A backdoor in certain Zyxel products allows remote TELNET access via a CGI script. This affects NAS520 V5.21(AASZ.4)C0, V5.21(AASZ.0)C0, V5.11(AASZ.3)C0, and V5.11(AASZ.0)C0; NAS542 V5.11(ABAG.0)C0, V5.20(ABAG.1)C0, and V5.21(ABAG.3)C0; NSA325 v2_V4.81(AALS.0)C0 and V4.81(AAAJ.1)C0; NSA310 4.22(AFK.0)C0 and 4.22(AFK.1)C0; NAS326 V5.21(AAZF.8)C0, V5.11(AAZF.4)C0, V5.11(AAZF.2)C0, and V5.11(AAZF.3)C0; NSA310S V4.75(AALH.2)C0; NSA320S V4.75(AANV.2)C0 and V4.75(AANV.1)C0; NSA221 V4.41(AFM.1)C0; and NAS540 V5.21(AATB.5)C0 and V5.21(AATB.3)C0.
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
多款ZyXEL产品安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZyXEL Zyxel NAS520等都是中国台湾合勤（ZyXEL）公司的一款NAS（网络附加存储）设备。 多款Zyxel产品中存在安全漏洞，该漏洞源于设备中存在后门。攻击者可借助CGI脚本利用该漏洞进行远程TELNET访问。以下产品及版本受到影响：Zyxel NAS520 V5.21(AASZ.4)C0版本，V5.21(AASZ.0)C0版本，V5.11(AASZ.3)C0版本，V5.11(AASZ.0)C0版本；NAS542 V5.11(ABAG.0)C0版本，V5.20(ABAG.1)C0版本，V5
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-2020-13364
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2020-13364 (2)
-
https://www.zyxel.com/us/en/support/security_advisories.shtml x_refsource_MISC
Same Patch Batch · n/a · 2020-08-06 · 18 CVEs total
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| CVE-2020-16215 | Advantech WebAccess HMI Designer 输入验证错误漏洞 | |
| CVE-2020-16213 | Advantech WebAccess HMI Designer 缓冲区错误漏洞 | |
| CVE-2020-16211 | Advantech WebAccess HMI Designer 缓冲区错误漏洞 | |
| CVE-2020-16225 | Delta Electronics TPEditor 缓冲区错误漏洞 | |
| CVE-2020-16229 | Advantech WebAccess HMI Designer 安全漏洞 | |
| CVE-2020-12441 | Ivanti Service Manager HEAT Remote Control 安全漏洞 | |
| CVE-2020-13793 | Ivanti DSM Remote 安全漏洞 | |
| CVE-2020-16219 | Delta Electronics TPEditor 缓冲区错误漏洞 | |
| CVE-2020-16223 | Delta Electronics TPEditor 缓冲区错误漏洞 | |
| CVE-2020-16221 | Delta Electronics TPEditor 缓冲区错误漏洞 | |
| CVE-2020-16227 | Delta Electronics TPEditor 输入验证错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2020-13364
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