CVE-2020-5633 Auth bypass in Multiple NEC products where Baseboard Management Controller (BMC) firmware Rev1.09 and earlier is applied
Remote attackers can bypass authentication on NEC server BMC firmware to read, modify settings, or disrupt operations.
- 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-2020-5633?
CVE-2020-5633 is a critical authentication bypass vulnerability in Multiple NEC products where Baseboard Management Controller (BMC) firmware Rev1.09 and earlier is applied, published on 13 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Multiple NEC products (Express5800/T110j, Express5800/T110j-S, Express5800/T110j (2nd-Gen), Express5800/T110j-S (2nd-Gen), iStorage NS100Ti, and Express5800/GT110j) where Baseboard Management Controller (BMC) firmware Rev1.09 and earlier is applied allows remote attackers to bypass authentication and then obtain/modify BMC setting information, obtain monitoring information, or reboot/shut down the vulnerable product via unspecified vectors.
Weakness: CWE-287
Which versions are affected by CVE-2020-5633?
It affects 1 product.
Products include Nec Baseboard Management Controller.
How do I fix CVE-2020-5633?
No fix has been published for CVE-2020-5633 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2020-5633 being exploited?
There is no known exploitation of CVE-2020-5633 in the wild and no public exploit code.
Sources
Also known as GHSA-g89v-h54q-6rcc.