PT-2021-22784 · Huawei · Huawei Ese620X Vess+2

Published 2021-11-24 · Updated 2021-11-30 · CVE-2021-39995

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Huawei eCNS280 TD version V100R005C10 Huawei eSE620X vESS versions V100R001C10SPC200, V100R001C20SPC200, V200R001C00SPC300

Description The issue is related to an out-of-bounds read vulnerability in a function that parses data returned by OpenHpi, which could lead to a denial of service. This function is used in some Huawei products for hardware management.

Recommendations For Huawei eCNS280 TD version V100R005C10, update to a version that fixes the out-of-bounds read vulnerability. For Huawei eSE620X vESS versions V100R001C10SPC200, V100R001C20SPC200, V200R001C00SPC300, update to a version that fixes the out-of-bounds read vulnerability. As a temporary workaround, consider restricting access to the function that parses data returned by OpenHpi until a patch is available.

Fix

DoS

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-39995

Affected Products

Huawei Vrp

Huawei Ecns280 Td

Huawei Ese620X Vess

References · 4

• https://osv.dev/vulnerability/CVE-2021-39995 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39995 · Security Note
• https://huawei.com/en/psirt/security-advisories/huawei-sa-20211124-03-dos-en · Vendor Advisory
• https://t.me/cibsecurity/33044 · Telegram Post