CVE-2021-30066 Security feature bypass in n/a
Attackers can bypass firmware signature verification to load arbitrary firmware on Schneider Electric and Belden Tofino firewalls, enabling code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-30066?
CVE-2021-30066 is a medium-severity vulnerability in n/a, published on 3 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
On Schneider Electric ConneXium Tofino Firewall TCSEFEA23F3F22 before 03.23, TCSEFEA23F3F20/21, and Belden Tofino Xenon Security Appliance, an arbitrary firmware image can be loaded because firmware signature verification (for a USB stick) can be bypassed. NOTE: this issue exists because of an incomplete fix of CVE-2017-11400.
Weakness: CWE-347
Which versions are affected by CVE-2021-30066?
It affects 13 products.
Products include Belden Eagle 20 Tofino 943 987-501-Tx\/Tx Firmware, Belden Eagle 20 Tofino 943 987-502 -Tx\/Mm Firmware, Belden Eagle 20 Tofino 943 987-504-Mm\/Tx Firmware, Belden Eagle 20 Tofino 943 987-505-Mm\/Mm Firmware, Belden Tofino Argon Fa-Tsa-100-Tx\/Tx Firmware, Belden Tofino Argon Fa-Tsa-220-Mm\/Mm Firmware and 7 more.
How do I fix CVE-2021-30066?
No fix has been published for CVE-2021-30066 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-30066 being exploited?
There is no known exploitation of CVE-2021-30066 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-j2pq-xrmc-f4r4.