What’s Vulnerable › Vulnerabilities

CVE-2021-22411

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-27 · updated 2026-06-17
• Weakness: CWE-787

Description

There is an out-of-bounds write vulnerability in some Huawei products. The code of a module have a bad judgment logic. Attackers can exploit this vulnerability by performing multiple abnormal activities to trigger the bad logic and cause out-of-bounds write. This may compromise the normal service of the module.Affected product versions include: NGFW Module versions V500R005C00SPC100,V500R005C00SPC200;Secospace USG6300 versions V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200;Secospace USG6500 versions V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200;Secospace USG6600 versions V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200;USG9500 versions V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200.

Affected products

• Huawei Ngfw Module Firmware: v500r005c00spc100, v500r005c00spc200
• Huawei Secospace Usg6300 Firmware: v500r001c30spc200, v500r001c30spc600, v500r001c60spc500, v500r005c00spc100, v500r005c00spc200
• Huawei Secospace Usg6500 Firmware: v500r001c30spc200, v500r001c30spc600, v500r001c60spc500, v500r005c00spc100, v500r005c00spc200
• Huawei Technologies Co., Ltd. Secospace USG6600: v500r001c30spc200, v500r001c30spc600, v500r001c60spc500, v500r005c00spc100, v500r005c00spc200
• Huawei USG9500: v500r001c60spc500, v500r005c00spc100, v500r005c00spc200

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210506-02-outofbounds-en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210506-02-outofbounds-en

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