VULNERABILITY INTELLIGENCE
CVE-2019-5273
CVSS score7.5 HIGH
EPSS probability0.48%
CISA KEVNot currently listed
Published2019-12-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Primary references
- psirt@huawei.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory