What’s Vulnerable › Vulnerabilities

CVE-2020-1847

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-13 · updated 2026-06-17

Description

There is a denial of service vulnerability in some Huawei products. There is no protection against the attack scenario of specific protocol. A remote, unauthorized attackers can construct attack scenarios, which leads to denial of service.Affected product versions include:NIP6300 versions V500R001C30,V500R001C60;NIP6600 versions V500R001C30,V500R001C60;Secospace USG6300 versions V500R001C30,V500R001C60;Secospace USG6500 versions V500R001C30,V500R001C60;Secospace USG6600 versions V500R001C30,V500R001C60;USG9500 versions V500R001C30,V500R001C60.

Affected products

• Huawei Nip6300 Firmware: v500r001c30, v500r001c60
• Huawei Nip6600 Firmware: v500r001c30, v500r001c60
• Huawei Secospace Usg6300 Firmware: v500r001c30, v500r001c60
• Huawei Secospace Usg6500 Firmware: v500r001c30, v500r001c60
• Huawei Technologies Co., Ltd. Secospace USG6600: v500r001c30, v500r001c60
• Huawei USG9500: v500r001c30, v500r001c60

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20201111-02-dos-en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20201111-02-dos-en

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