PT-2021-14986 · Huawei · S5700+4

Published 2021-05-12 · Updated 2021-08-30 · CVE-2021-22357

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: Huawei S12700 versions V200R013C00SPC500 through V200R019C00SPC500 Huawei S5700 versions V200R013C00SPC500 through V200R019C00SPC500 Huawei S6700 versions V200R013C00SPC500 through V200R019C00SPC500 Huawei S7700 versions V200R013C00SPC500 through V200R019C00SPC500

Description: There is a denial of service issue in Huawei products. A module cannot handle specific messages due to insufficient input validation. Attackers can exploit this by sending specific messages to the affected module, causing denial of service.

Recommendations: For Huawei S12700 versions V200R013C00SPC500 through V200R019C00SPC500, update to a version that includes the fix for this issue. For Huawei S5700 versions V200R013C00SPC500 through V200R019C00SPC500, update to a version that includes the fix for this issue. For Huawei S6700 versions V200R013C00SPC500 through V200R019C00SPC500, update to a version that includes the fix for this issue. For Huawei S7700 versions V200R013C00SPC500 through V200R019C00SPC500, update to a version that includes the fix for this issue. As a temporary workaround, consider restricting access to the affected module until a patch is available.

Fix

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-22357

Affected Products

Huawei Vrp

S12700

S5700

S6700

S7700

References · 5

• https://huawei.com/en/psirt/security-advisories/huawei-sa-20210512-01-dos-en · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-22357 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-22357 · Security Note
• https://t.me/cvenotify/20365 · Telegram Post
• https://t.me/cibsecurity/27737 · Telegram Post