Search/CVE-2021-31399
● CVE — Medium

CVE-2021-31399

Vendor2nProductaccess unit 2.0 firmwareDiscoveredAug 13, 2021UpdatedMay 30, 2025

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.

CVSS v3.1
4.6 MEDIUM
EPSS
0.85%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
CVSS v3.1 Detail
Attack VectorADJACENT
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityLOW
IntegrityNONE
AvailabilityLOW
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
Connections
2 relationships
Timeline
disclosure → media coverage
Aug 13, 2021
Disclosure — published as a CVE record. · last revised by NVD May 30, 2025