CVE-2021-31399
MEDIUM
5.9
CVSS Score
Published: August 13, 2021 at 12:05 PM UTC
Updated: June 17, 2026 at 03:51 AM UTC
2 products affected across 1 vendorAccess Unit 2.0 FirmwareAccess Unit 2.0
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Severity
MEDIUM5.9
Exploit prediction
EPSS 0.8%
Description
On 2N Access Unit 2.0 2.31.0.40.5 devices, an attacker can pose as the web relay for a man-in-the-middle attack.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Access Unit 2.0· 2Ndevice
80%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
Third Party Advisory
Source: [email protected]
https://excellium-services.com/cert-xlm-advisory/cve-2021-31399/Vendor Advisory
Source: [email protected]
https://www.2n.cz/en_GB/products/ip-access-control/2n-access-unit-2CVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-295
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