CVE-2021-46082 Denial of service in n/a
Attackers can cause a Denial of Service on Moxa industrial routers and gateways by sending crafted packets that trigger a memory leak.
- 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-2021-46082?
CVE-2021-46082 is a high-severity denial of service vulnerability in n/a, published on 18 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Moxa TN-5900 v3.1 series routers, MGate 5109 v2.2 series protocol gateways, and MGate 5101-PBM-MN v2.1 series protocol gateways were discovered to contain a memory leak which allows attackers to cause a Denial of Service (DoS) via crafted packets.
Weakness: CWE-401
Which versions are affected by CVE-2021-46082?
It affects 6 products.
Products include Moxa Mgate 5101-Pbm-Mn-T Firmware, Moxa Mgate 5101-Pbm-Mn Firmware, Moxa Mgate 5109-T Firmware, Moxa Mgate 5109 Firmware, Moxa Tn-5916-Wv-Ct-T Firmware, Moxa Tn-5916-Wv-T Firmware.
How do I fix CVE-2021-46082?
No fix has been published for CVE-2021-46082 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-46082 being exploited?
There is no known exploitation of CVE-2021-46082 in the wild and no public exploit code.
Sources
Also known as GHSA-65q9-fq96-wqpj.