CVE-2022-28370 — HIGH (7.5)

Vulnerability Description

On Verizon 5G Home LVSKIHP OutDoorUnit (ODU) 3.33.101.0 devices, the RPC endpoint crtc_fw_upgrade provides a means of provisioning a firmware update for the device. /lib/functions/wnc_jsonsh/wnc_crtc_fw.sh has no cryptographic validation of the image, thus allowing an attacker to modify the installed firmware.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Verizon	Lvskihp Outdoorunit Firmware	3.33.101.0
Verizon	Lvskihp Outdoorunit	-

Related Weaknesses (CWE)

CWE-345

References

https://github.com/JousterL/SecWriteups/blob/main/Verizon%20LVSKIHP%205G%20ModemExploitThird Party Advisory
https://www.verizon.com/info/reportsecurityvulnerability/Vendor Advisory
https://github.com/JousterL/SecWriteups/blob/main/Verizon%20LVSKIHP%205G%20ModemExploitThird Party Advisory
https://www.verizon.com/info/reportsecurityvulnerability/Vendor Advisory

FAQ

What is CVE-2022-28370?

CVE-2022-28370 is a vulnerability with a CVSS score of 7.5 (HIGH). On Verizon 5G Home LVSKIHP OutDoorUnit (ODU) 3.33.101.0 devices, the RPC endpoint crtc_fw_upgrade provides a means of provisioning a firmware update for the device. /lib/functions/wnc_jsonsh/wnc_crtc_...

How severe is CVE-2022-28370?

CVE-2022-28370 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-28370?

Check the references section above for vendor advisories and patch information. Affected products include: Verizon Lvskihp Outdoorunit Firmware, Verizon Lvskihp Outdoorunit.