What’s Vulnerable › Vulnerabilities

CVE-2020-1863

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-03-12 · updated 2026-06-17
• Weakness: CWE-125

Description

Huawei USG6000V with versions V500R001C20SPC300, V500R003C00SPC100, and V500R005C00SPC100 have an out-of-bounds read vulnerability. Due to a logical flaw in a JSON parsing routine, a remote, unauthenticated attacker could exploit this vulnerability to disrupt service in the affected products.

Affected products

• Huawei USG6000V: v500r001c20spc300, v500r003c00spc100, v500r005c00spc100

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200311-01-buffer-en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200311-01-buffer-en

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