CVE-2021-20740 Command injection in Hitachi Virtual File Platform and NEC Storage M Series NAS Gateway which uses Hitachi Virtual File Platform
Remote authenticated attackers can execute arbitrary OS commands with root privileges on Hitachi and NEC NAS gateways.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-20740?
CVE-2021-20740 is a high-severity command injection vulnerability in Hitachi Virtual File Platform and NEC Storage M Series NAS Gateway which uses Hitachi Virtual File Platform, published on 28 Jun 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Hitachi Virtual File Platform Versions prior to 5.5.3-09 and Versions prior to 6.4.3-09, and NEC Storage M Series NAS Gateway Nh4a/Nh8a versions prior to FOS 5.5.3-08(NEC2.5.4a) and Nh4b/Nh8b, Nh4c/Nh8c versions prior to FOS 6.4.3-08(NEC3.4.2) allow remote authenticated attackers to execute arbitrary OS commands with root privileges via unspecified vectors.
Weakness: CWE-78
Which versions are affected by CVE-2021-20740?
It affects 7 products.
Products include Hitachi Virtual File Platform, Nec Nas Gateway Nh4a Firmware, Nec Nas Gateway Nh4b Firmware, Nec Nas Gateway Nh4c Firmware, Nec Nas Gateway Nh8a Firmware, Nec Nas Gateway Nh8b Firmware and 1 more.
How do I fix CVE-2021-20740?
No fix has been published for CVE-2021-20740 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-20740 being exploited?
There is no known exploitation of CVE-2021-20740 in the wild and no public exploit code.
Sources
Also known as GHSA-8282-v8xm-6qqp.