#VU52995 Buffer overflow in Huawei products - CVE-2021-22411

Vulnerability identifier: #VU52995

Vulnerability risk: Low

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-22411

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Huawei NGFW Module
Server applications / Other server solutions
Huawei Secospace USG6300
Server applications / Server solutions for antivurus protection
Huawei Secospace USG6500
Server applications / Server solutions for antivurus protection
Huawei Secospace USG6600
Server applications / Server solutions for antivurus protection
USG9500
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Huawei

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote authenticated attacker can trigger memory corruption and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei NGFW Module: V500R005C00SPC100 - V500R005C00SPC200

Huawei Secospace USG6300: V500R001C30SPC200 - V500R005C00SPC200

Huawei Secospace USG6500: V500R001C30SPC200 - V500R005C00SPC200

Huawei Secospace USG6600: V500R001C30SPC200 - V500R005C00SPC200

USG9500: V500R001C60SPC500 - V500R005C00SPC200

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External links
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210506-02-outofbounds-en

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.