CVE-2022-28371 Hardcoded credentials in n/a
Attackers can extract static certificates from firmware to bypass access controls on Verizon 5G Home devices, potentially gaining unauthorized access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-28371?
CVE-2022-28371 is a high-severity vulnerability in n/a, published on 14 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
On Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 and OutDoorUnit (ODU) 3.33.101.0 devices, the CRTC and ODU RPC endpoints rely on a static certificate for access control. This certificate is embedded in the firmware, and is identical across the fleet of devices. An attacker need only download this firmware and extract the private components of these certificates (from /etc/lighttpd.d/ca.pem and /etc/lighttpd.d/server.pem) to gain access. (The firmware download location is shown in a device's upgrade logs.)
Weakness: CWE-798
Which versions are affected by CVE-2022-28371?
It affects 2 products.
Products include Verizon Lvskihp Indoorunit Firmware, Verizon Lvskihp Outdoorunit Firmware.
How do I fix CVE-2022-28371?
No fix has been published for CVE-2022-28371 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-28371 being exploited?
There is no known exploitation of CVE-2022-28371 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-x4qp-7wvj-8c69.