CVE-2021-22300

Name: CVE-2021-22300
Creator: NVD / NIST
Published: 2021-02-06T01:15:13.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.1/10EPSS 0.15%

Last modified Jun 17, 2026

CVE-2021-22300 is a medium-severity vulnerability rated 4.1/10 on the CVSS scale. There is an information leak vulnerability in eCNS280_TD versions V100R005C00 and V100R005C10. A command does not have timeout exit mechanism. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

There is an information leak vulnerability in eCNS280_TD versions V100R005C00 and V100R005C10. A command does not have timeout exit mechanism. Temporary file contains sensitive information. This allows attackers to obtain information by inter-process access that requires other methods.

Metrics

CVSS 3.1

4.1/10

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

EPSS Probability

0.15%

4.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-312

Affected Software

Vendor	Product	Versions
Huawei	Ecns280 Td Firmware	v100r005c00
Huawei	Ecns280 Td Firmware	v100r005c10

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210127-01-cgp-enVendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210127-01-cgp-enVendor Advisory

Timeline

Published: Feb 6, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22300?

How severe is CVE-2021-22300?

CVE-2021-22300 has a CVSS score of 4.1/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22300?

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-2021-22300?

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

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Source: NVD / NIST