CVE-2020-9120 Denial of service in CloudEngine 1800V
Remote attackers can cause denial of service on Huawei CloudEngine 1800V switches by sending specific messages that disrupt normal forwarding.
- 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-2020-9120?
CVE-2020-9120 is a high-severity denial of service vulnerability in CloudEngine 1800V, published on 24 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
CloudEngine 1800V versions V100R019C10SPC500 has a resource management error vulnerability. Remote unauthorized attackers could send specific types of messages to the device, resulting in the message received by the system can't be forwarded normally.
Which versions are affected by CVE-2020-9120?
It affects 1 product.
Products include Huawei Cloudengine 1800v.
How do I fix CVE-2020-9120?
No fix has been published for CVE-2020-9120 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-2020-9120 being exploited?
There is no known exploitation of CVE-2020-9120 in the wild and no public exploit code.
Sources
Also known as GHSA-hcv9-p733-v9fh.