CVE-2021-40517 json
Airangel HSMX Gateway devices through 5.2.04 is vulnerable to stored Cross Site Scripting.
published 2021-11-10 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-27693
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 44%
- public exploits
- 0
- none known
Summary
Airangel HSMX Gateway devices through 5.2.04 is vulnerable to stored Cross Site Scripting. XSS Payload is placed in the name column of the updates table using database access.
Exploit prediction
0.53% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- etizazmohsin.com http://etizazmohsin.com/hsmx.html#xss referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
etizazmohsin.com
/hsmx.html#xss
exploit, third-party-advisory
-
airangel.com
/hsmx-gateway/
product
Sources
- CVE List CVE-2021-40517
- NVD CVE-2021-40517
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.