CVE-2021-22396

Name: CVE-2021-22396
Creator: NVD / NIST
Published: 2021-08-02T17:15:14.087+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.15%

Last modified Jun 17, 2026

CVE-2021-22396 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. There is a privilege escalation vulnerability in some Huawei products. Due to improper privilege management, a local attacker with common privilege may access some specific files in the affected products. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

There is a privilege escalation vulnerability in some Huawei products. Due to improper privilege management, a local attacker with common privilege may access some specific files in the affected products. Successful exploit will cause privilege escalation.Affected product versions include:eCNS280_TD V100R005C00,V100R005C10;eSE620X vESS V100R001C10SPC200,V100R001C20SPC200.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.15%

4.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Huawei	Ecns280 Td Firmware	v100r005c00
Huawei	Ecns280 Td Firmware	v100r005c10
Huawei	Ese620x Vess Firmware	v100r001c10spc200
Huawei	Ese620x Vess Firmware	v100r001c20spc200

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210714-01-privilege-enVendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210714-01-privilege-enVendor Advisory

Timeline

Published: Aug 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22396?

How severe is CVE-2021-22396?

CVE-2021-22396 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22396?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-22396?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST