CVE-2020-21996 Missing authorization in n/a

Q: Is CVE-2020-21996 being exploited?

There is no known exploitation of CVE-2020-21996 in the wild and no public exploit code.

Q: How do I fix CVE-2020-21996?

No fix has been published for CVE-2020-21996 yet. Limit exposure of the affected software until one is available.

High 7.5 Published 28 Apr 2021 Updated 4 Aug 2024

Unauthenticated attackers can execute reboot commands on AVE DOMINAplus devices, causing a denial of service.

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-2020-21996?

CVE-2020-21996 is a high-severity missing authorization vulnerability in n/a, published on 28 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

AVE DOMINAplus <=1.10.x suffers from an unauthenticated reboot command execution. Attackers can exploit this issue to cause a denial of service scenario.

Weakness: CWE-306

Which versions are affected by CVE-2020-21996?

It affects 7 products.

Products include Ave 53ab-Wbs Firmware, Ave Dominaplus, Ave Ts01 Firmware, Ave Ts03x-v Firmware, Ave Ts04x-v Firmware, Ave Ts05 Firmware and 1 more.

How do I fix CVE-2020-21996?

No fix has been published for CVE-2020-21996 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-21996 being exploited?

There is no known exploitation of CVE-2020-21996 in the wild and no public exploit code.

Sources

Also known as GHSA-pj8c-6w77-4wph.