Improper Authorization in several Huawei Products

1) Improper Authorization

EUVDB-ID: #VU53425

Risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-22361

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a local user to bypass authorization checks.

The vulnerability exists due to a file access is not authorized correctly. A local user can bypass the authorization process on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Huawei eCNS280: V100R005C00 - V100R005C10

eSE620X vESS: V100R001C10SPC200 - V100R001C20SPC200

CPE2.3

• cpe:2.3:h:huawei:huawei_ecns280:V100R005C00:*:*:*:*:*:*:*
• cpe:2.3:h:huawei:huawei_ecns280:V100R005C10:*:*:*:*:*:*:*
• cpe:2.3:h:huawei:ese620x_vess:V100R001C10SPC200:*:*:*:*:*:*:*
• cpe:2.3:h:huawei:ese620x_vess:V100R001C20SPC200:*:*:*:*:*:*:*

External links

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210519-02-cgp-en

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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