CVE-2021-45918 describes a heap-based buffer overflow vulnerability in NHI's health insurance web service component, stemming from insufficient input string length validation. This allows an unauthenticated remote attacker to trigger a denial-of-service by flooding memory, requiring a system restart to restore service. With a CVSS score of 7.5 (HIGH), the vulnerability is easily exploitable over the network with low attack complexity, impacting availability. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:nhi:health_insurance_web_service_component:-:*:*:*:*:*:*:* |
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
No social media mentions found for this CVE.
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.