CVE-2021-40520
CRITICALCVSS 9.8/10EPSS 1.15%
Last modified
CVE-2021-40520 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Airangel HSMX Gateway devices through 5.2.04 have Weak SSH Credentials.. EPSS estimates a 1.15% chance of exploitation in the next 30 days.
Description
Airangel HSMX Gateway devices through 5.2.04 have Weak SSH Credentials.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Airangel | Hsmx-App-25 Firmware | <= 5.2.04 |
| Airangel | Hsmx-App-100 Firmware | <= 5.2.04 |
| Airangel | Hsmx-App-1000 Firmware | <= 5.2.04 |
| Airangel | Hsmx-App-5000 Firmware | <= 5.2.04 |
| Airangel | Hsmx-App-20000 Firmware | <= 5.2.04 |
References
- http://etizazmohsin.com/hsmx.html#sshExploit, Third Party Advisory
- http://etizazmohsin.com/hsmx.html#sshExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-40520?
Airangel HSMX Gateway devices through 5.2.04 have Weak SSH Credentials.
How severe is CVE-2021-40520?
CVE-2021-40520 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.
How do I fix CVE-2021-40520?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-40520?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST