CVE-2020-1863

7.5 highEPSS 0.9%

High (7.5) in huawei usg6000v firmware. EPSS 0.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2020-03-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

huawei:usg6000v_firmware

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

Check your stack JSON