CVE-2021-40520 describes a critical vulnerability affecting Airangel HSMX Gateway devices up to version 5.2.04, stemming from weak SSH credentials. With a CVSS score of 9.8, this flaw allows unauthenticated attackers to remotely gain full control over affected systems with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.2.04CPE matchmatch criteria | cpe:2.3:o:airangel:hsmx-app-25_firmware:*:*:*:*:*:*:*:* | ||
<= 5.2.04CPE matchmatch criteria | cpe:2.3:o:airangel:hsmx-app-100_firmware:*:*:*:*:*:*:*:* | ||
<= 5.2.04CPE matchmatch criteria | cpe:2.3:o:airangel:hsmx-app-1000_firmware:*:*:*:*:*:*:*:* | ||
<= 5.2.04CPE matchmatch criteria | cpe:2.3:o:airangel:hsmx-app-5000_firmware:*:*:*:*:*:*:*:* | ||
<= 5.2.04CPE matchmatch criteria | cpe:2.3:o:airangel:hsmx-app-20000_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.