{"cve":"CVE-2020-1858","nvd":{"published":"2020-02-17T20:15:11.710","modified":"2026-06-17T03:02:30.760","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":[],"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"],"products":["huawei:nip6800_firmware","huawei:secospace_usg6600_firmware","huawei:usg9500_firmware"],"source":"nvd","synced_at":"2026-10-19T21:02:53.949909883+00:00"},"epss":{"cve":"CVE-2020-1858","score":0.00767,"percentile":0.55539,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}