Hard-coded TLS Certificate
Priority MEDIUM 45CWE-321Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-321.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.09946 95th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Lanner Inc | IAC-AST2500A | 1.00.0 | — | No fix listed | CNA |
- IAC-AST2500A VendorLanner Inc Affected 1.00.0 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:lannerinc:iac-ast2500_firmware:1.00.0:*:*:*:*:*:*:* | 1.00.0 | Vulnerable | Lanner Inc |
| cpe:2.3:h:lannerinc:iac-ast2500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lanner Inc |
- cpe:2.3:o:lannerinc:iac-ast2500_firmware:1.00.0:*:*:*:*:*:*:* Versions 1.00.0 Vulnerable ·Lanner Inc
- cpe:2.3:h:lannerinc:iac-ast2500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lanner Inc
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-4228
- 2026-10-03 Alias added: GHSA-83r7-pm46-hpfw
References
Sources
- CVE-2021-4228 · CVE Program
- CVE-2021-4228 · NVD
- FIRST EPSS
- GHSA-83r7-pm46-hpfw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences