{"cve":"CVE-2020-1830","nvd":{"published":"2020-02-18T00:15:11.400","modified":"2026-06-17T03:02:28.447","status":"Modified","description":"Huawei NIP6800 versions V500R001C30, V500R001C60SPC500, and V500R005C00; Secospace USG6600 and USG9500 versions V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, and V500R005C00 have a vulnerability that a memory management error exists when IPSec Module handing a specific message. This causes 1 byte out-of-bound read, compromising normal 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:L","score":5.3},"cwes":["CWE-125"],"references":["http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200212-04-ipsec-en","http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200212-04-ipsec-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-2020-1830","score":0.00733,"percentile":0.5438,"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."]}