PT-2021-14988 · Huawei · S5700+2

Published 2021-05-19 · Updated 2021-06-04 · CVE-2021-22359

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions: S5700 version V200R005C00SPC500 S6700 version V200R005C00SPC500

Description: The issue is related to a denial of service vulnerability. An attacker could exploit this by sending a specific message to a targeted device. The vulnerability is caused by insufficient input validation, which can lead to service abnormality if the exploit is successful.

Recommendations: For S5700 version V200R005C00SPC500, consider restricting access to the device to minimize the risk of exploitation until a fix is available. For S6700 version V200R005C00SPC500, consider implementing additional validation checks on incoming messages to prevent service abnormality. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-22359

Affected Products

Huawei Vrp

S5700

S6700

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2021-22359 · Security Note
• https://osv.dev/vulnerability/CVE-2021-22359 · Vendor Advisory
• https://huawei.com/en/psirt/security-advisories/huawei-sa-20210519-02-dos-en · Vendor Advisory