CVE-2020-1863 Denial of service in Huawei USG6000V
A remote unauthenticated attacker can cause a denial of service in Huawei USG6000V firewalls via an out-of-bounds read in JSON parsing.
- 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-2020-1863?
CVE-2020-1863 is a high-severity denial of service vulnerability in Huawei USG6000V, published on 12 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Huawei USG6000V with versions V500R001C20SPC300, V500R003C00SPC100, and V500R005C00SPC100 have an out-of-bounds read vulnerability. Due to a logical flaw in a JSON parsing routine, a remote, unauthenticated attacker could exploit this vulnerability to disrupt service in the affected products.
Weakness: CWE-125
Which versions are affected by CVE-2020-1863?
It affects 1 product.
Products include Huawei Usg6000v Firmware.
How do I fix CVE-2020-1863?
No fix has been published for CVE-2020-1863 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-2020-1863 being exploited?
There is no known exploitation of CVE-2020-1863 in the wild and no public exploit code.
Sources
Also known as GHSA-7g8j-868p-v8q4.