CVE-2021-22360

Name: CVE-2021-22360
Creator: NVD / NIST
Published: 2021-05-27T13:15:07.93+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 0.64%

Last modified Jun 17, 2026

CVE-2021-22360 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. There is a resource management error vulnerability in the verisions V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200 of USG9500. An authentication attacker needs to perform specific operations to exploit the vulnerability on the affected device. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

There is a resource management error vulnerability in the verisions V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200 of USG9500. An authentication attacker needs to perform specific operations to exploit the vulnerability on the affected device. Due to improper resource management of the function, the vulnerability can be exploited to cause service abnormal on affected devices.

Metrics

CVSS 3.1

4.9/10

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

EPSS Probability

0.64%

46.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Huawei	Usg9500 Firmware	v500r001c60spc500
Huawei	Usg9500 Firmware	v500r005c00spc100
Huawei	Usg9500 Firmware	v500r005c00spc200

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210519-01-resource-enVendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210519-01-resource-enVendor Advisory

Timeline

Published: May 27, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22360?

How severe is CVE-2021-22360?

CVE-2021-22360 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22360?

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-2021-22360?

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

Scan your code now

Source: NVD / NIST