What’s Vulnerable › Vulnerabilities

CVE-2020-1858

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-17 · updated 2026-06-17

Description

Huawei products NIP6800 versions V500R001C30, V500R001C60SPC500, and V500R005C00SPC100; Secospace USG6600 versions V500R001C30SPC600, V500R001C60SPC500, and V500R005C00SPC100; and USG9500 versions V500R001C30SPC600, V500R001C60SPC500, and V500R005C00SPC100 have a denial of service vulnerability. Attackers need to perform a series of operations in a special scenario to exploit this vulnerability. Successful exploit may cause the new connections can't be established, result in a denial of service.

Affected products

• Huawei Nip6800 Firmware: v500r001c30, v500r001c60spc500, v500r005c00spc100
• Huawei Technologies Co., Ltd. Secospace USG6600: v500r001c30spc200, v500r001c30spc600, v500r001c60spc500, v500r005c00spc100
• Huawei USG9500: v500r001c30spc200, v500r001c30spc600, v500r001c60spc500, v500r005c00spc100

References

• http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200205-01-dos-en
• http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200219-04-dos-en
• http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200205-01-dos-en
• http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200219-04-dos-en

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