#VU58482 Buffer overflow in eSE620X vESS - CVE-2021-39999

Vulnerability identifier: #VU58482

Vulnerability risk: Medium

CVSSv4.0: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-39999

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
eSE620X vESS
Hardware solutions / Firmware

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 in DOPRA SSP products. A remote authenticated attacker can send a specially crafted message, trigger memory corruption and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

eSE620X vESS: V100R001C10SPC200 - V100R001C20SPC200

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External links
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211201-01-buffer-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.