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CVE-2019-5273

Quick assessment

Affected
Huawei USG9500
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.

Huawei USG9500是中国华为（Huawei）公司的一款数据中心防火墙产品。 Huawei USG9500 V500R001C30版本和V500R001C60版本中X.509的实现存在拒绝服务漏洞。攻击者可借助恶意的证书利用该漏洞造成拒绝服务。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.48% · P39

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2019-5273

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability. Due to a flaw in the X.509 implementation in the affected products which can result in a large heap buffer overrun error, an attacker may exploit the vulnerability by a malicious certificate, resulting a denial of service on the affected products.
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
Huawei USG9500 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Huawei USG9500是中国华为（Huawei）公司的一款数据中心防火墙产品。 Huawei USG9500 V500R001C30版本和V500R001C60版本中X.509的实现存在拒绝服务漏洞。攻击者可借助恶意的证书利用该漏洞造成拒绝服务。
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
Huawei USG9500 V500R001C30 -

II. Public POCs for CVE-2019-5273

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III. Intelligence Information for CVE-2019-5273

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Other References for CVE-2019-5273 (1)

Same Patch Batch · Huawei · 2019-12-26 · 5 CVEs total

CVE-2019-5274 Huawei USG9500 安全漏洞
CVE-2019-5275 Huawei USG9500 缓冲区错误漏洞
CVE-2019-5272 Huawei USG9500 安全漏洞
CVE-2019-19398 Huawei M5 lite 10 输入验证错误漏洞

IV. Related Vulnerabilities

Same product: USG9500
Same vendor: Huawei

V. Comments for CVE-2019-5273

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