7.5

CVE-2021-22320: huawei ips_module_firmware

CVSS: 7.5v3.1HighModified
Published 22-03-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-22320 is a high (CVSS 7.5) vulnerability in huawei ips_module_firmware. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 54.2% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.75%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-03-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

There is a denial of service vulnerability in Huawei products. A module cannot deal with specific messages correctly. Attackers can exploit this vulnerability by sending malicious messages to an affected module. This can lead to denial of service. Affected product include some versions of IPS Module, NGFW Module, NIP6600, NIP6800, Secospace USG6300, Secospace USG6500 and Secospace USG6600.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.75%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

+0.03 pp

From 0.73% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.75%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Huawei7 products
  • ips_module_firmwarev500r005c00spc100 | v500r005c00spc200 | v500r005c20spc300
  • ngfw_module_firmwarev500r005c00spc100 | v500r005c00spc200 | v500r005c20spc300
  • nip6600_firmwarev500r001c30spc200 | v500r001c30spc600 | v500r001c60spc500 | v500r005c00spc100 | v500r005c00spc200 | v500r005c20spc300 | v500r005c20spc500
  • nip6800_firmwarev500r001c60spc500 | v500r005c00spc100 | v500r005c00spc200 | v500r005c20spc300 | v500r005c20spc500
  • secospace_usg6300_firmwarev500r001c30spc200 | v500r001c30spc600 | v500r001c60spc500 | v500r005c00spc100 | v500r005c00spc200 | v500r005c20spc300 | v500r005c20spc500

1 vendor · 7 products

References

1 links