CVE-2023-23119

low-risk
Published 2023-02-02

The use of the cyclic redundancy check (CRC) algorithm for integrity check during firmware update makes Ubiquiti airFiber AF2X Radio firmware version 3.2.2 and earlier vulnerable to firmware modification attacks. An attacker can conduct a man-in-the-middle (MITM) attack to modify the new firmware image and bypass the checksum verification.

Do I need to act?

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0.15% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (1)

Af-2X Firmware

Affected Vendors

Ui

References (4)

Vendor Advisory https://community.ui.com/tags/security/releases
Exploit https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/SkYce4f5o
Vendor Advisory https://community.ui.com/tags/security/releases
Exploit https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/SkYce4f5o
24
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal