CVE-2021-22312 Denial of service in IPS Module;NGFW Module;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG9500
An authenticated remote attacker can cause service abnormalities in Huawei firewalls by triggering a memory leak through specific messages.
- 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-2021-22312?
CVE-2021-22312 is a medium-severity denial of service vulnerability in Huawei Ips Module Firmware, published on 8 Apr 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
There is a memory leak vulnerability in some Huawei products. An authenticated remote attacker may exploit this vulnerability by sending specific message to the affected product. Due to not release the allocated memory properly, successful exploit may cause some service abnormal. Affected product include some versions of IPS Module, NGFW Module, Secospace USG6300, Secospace USG6500, Secospace USG6600 and USG9500.
Weakness: CWE-401
Which versions are affected by CVE-2021-22312?
It affects 12 products.
Products include Huawei Ips6000e Firmware, Huawei Ips Module Firmware, Huawei Ngfw Module Firmware, Huawei Nip6000e Firmware, Huawei Nip6300 Firmware, Huawei Nip6600 Firmware and 6 more.
How do I fix CVE-2021-22312?
No fix has been published for CVE-2021-22312 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-2021-22312 being exploited?
There is no known exploitation of CVE-2021-22312 in the wild and no public exploit code.
Sources
Also known as GHSA-5r7x-c359-rj25.