CVE-2021-4228 json
Hard-coded TLS Certificate
published 2022-10-24 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-34086
- cvss
- 5.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 9.9%
- EPSS 9.9% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known
Summary
Use of hard-coded TLS certificate by default allows an attacker to perform Man-in-the-Middle (MitM) attacks even in the presence of the HTTPS connection. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.00.0.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
9.95% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L |
| NVD | 3.1 | 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
Affected products
- Lanner Inc IAC-AST2500A
Classification
References
-
nozominetworks.com
/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/
third-party-advisory
-
nozominetworks.com
/labs/vulnerability-advisories/cve-2021-4228/
third-party-advisory
Sources
- CVE List CVE-2021-4228
- NVD CVE-2021-4228
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