CVE-2019-5273 is a denial-of-service vulnerability affecting Huawei USG9500 firewalls running specific V500R001C30 and V500R001C60 firmware versions. A flaw in the X.509 certificate implementation allows a remote, unauthenticated attacker to trigger a large heap buffer overrun with a malicious certificate. This vulnerability carries a CVSSv3.1 score of 7.5 (High), indicating a significant impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
v500r001c30CPE matchmatch criteria | cpe:2.3:o:huawei:usg9500_firmware:v500r001c30:*:*:*:*:*:*:* | ||
v500r001c60CPE matchmatch criteria | cpe:2.3:o:huawei:usg9500_firmware:v500r001c60:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.