VulnerabilityModified

CVE-2019-5273

USG9500 with versions of V500R001C30;V500R001C60 have a denial of service vulnerability.

HIGH 7.5EPSS 0.48%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.48% probability · 40th percentile
CISA KEV: Not listed
Weakness: CWE-120
Affected: huawei/usg9500 firmware
Source: psirt@huawei.com

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.