CVE-2021-39995 Denial of service in eCNS280 TD;eSE620X vESS
An out-of-bounds read in Huawei network devices using OpenHpi allows attackers to cause a denial of service.
- 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-2021-39995?
CVE-2021-39995 is a medium-severity denial of service vulnerability in eCNS280_TD;eSE620X vESS, published on 29 Nov 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Some Huawei products use the OpenHpi software for hardware management. A function that parses data returned by OpenHpi contains an out-of-bounds read vulnerability that could lead to a denial of service. Affected product versions include: eCNS280_TD V100R005C10; eSE620X vESS V100R001C10SPC200, V100R001C20SPC200, V200R001C00SPC300.
Weakness: CWE-125
Which versions are affected by CVE-2021-39995?
It affects 2 products.
Products include Huawei Ecns280 Td Firmware, Huawei Ese620x Vess Firmware.
How do I fix CVE-2021-39995?
No fix has been published for CVE-2021-39995 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-2021-39995 being exploited?
There is no known exploitation of CVE-2021-39995 in the wild and no public exploit code.
Other vulnerabilities in eCNS280_TD;eSE620X vESS
Sources
Also known as GHSA-mjvc-frcm-6323.