#VU53603 Out-of-bounds read in eSE620X vESS - CVE-2021-22365

Vulnerability identifier: #VU53603

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-22365

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
eSE620X vESS
Hardware solutions / Firmware

Vendor: Huawei

Description

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

The vulnerability exists due to a boundary condition. A local attacker can send a specially crafted message, trigger out-of-bounds read error and cause a denial of service condition on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

eSE620X vESS: V100R001C10SPC200 - V200R001C00SPC300

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External links
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210526-02-outbounds-en

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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.