What’s Vulnerable › Vulnerabilities

CVE-2019-5273

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-26 · updated 2026-06-17
• Weakness: CWE-120

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.

Affected products

• Huawei USG9500: v500r001c30, v500r001c60

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-eudemon-en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-eudemon-en

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