CVE-2021-22411 Memory corruption in NGFW Module;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG9500

Medium 6.5 Published 27 May 2021 Updated 3 Aug 2024

Attackers can trigger an out-of-bounds write in Huawei firewall modules via abnormal activities, causing service disruption.

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-2021-22411?

CVE-2021-22411 is a medium-severity memory corruption vulnerability in Huawei Ngfw Module Firmware, published on 27 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

There is an out-of-bounds write vulnerability in some Huawei products. The code of a module have a bad judgment logic. Attackers can exploit this vulnerability by performing multiple abnormal activities to trigger the bad logic and cause out-of-bounds write. This may compromise the normal service of the module.Affected product versions include: NGFW Module versions V500R005C00SPC100,V500R005C00SPC200;Secospace USG6300 versions V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200;Secospace USG6500 versions V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200;Secospace USG6600 versions V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200;USG9500 versions V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200.

Weakness: CWE-787

Which versions are affected by CVE-2021-22411?

It affects 5 products.

Products include Huawei Ngfw Module Firmware, Huawei Secospace Usg6300 Firmware, Huawei Secospace Usg6500 Firmware, Huawei Secospace Usg6600 Firmware, Huawei Usg9500 Firmware.

How do I fix CVE-2021-22411?

No fix has been published for CVE-2021-22411 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-22411 being exploited?

There is no known exploitation of CVE-2021-22411 in the wild and no public exploit code.

All Huawei Ngfw Module Firmware vulnerabilities

Sources

Also known as GHSA-5x37-hw27-2w3v.