CVE-2021-39976 Privilege escalation in CloudEngine 5800

High 7.8 Published Updated

An authenticated local attacker can exploit missing privilege restrictions on CloudEngine 5800 switches to gain higher privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-39976?

CVE-2021-39976 is a high-severity vulnerability in CloudEngine 5800, published on 23 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

There is a privilege escalation vulnerability in CloudEngine 5800 V200R020C00SPC600. Due to lack of privilege restrictions, an authenticated local attacker can perform specific operation to exploit this vulnerability. Successful exploitation may cause the attacker to obtain a higher privilege.

Which versions are affected by CVE-2021-39976?

It affects 1 product.

Products include Huawei Cloudengine 5800 Firmware.

How do I fix CVE-2021-39976?

No fix has been published for CVE-2021-39976 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-39976 being exploited?

There is no known exploitation of CVE-2021-39976 in the wild and no public exploit code.

Sources

Also known as GHSA-qjh4-6fwh-rj27.

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