CVE-2021-4477 in Hirschmann HiLCOS OpenBAT
摘要 (英语)
Hirschmann HiLCOS OpenBAT and BAT450 products contain a firewall bypass vulnerability in IPv6 IPsec deployments that allows traffic from VPN connections to bypass configured firewall rules. Attackers can exploit this vulnerability by establishing IPv6 IPsec connections (IKEv1 or IKEv2) while simultaneously using an IPv6 Internet connection to circumvent firewall policy enforcement.
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负责
VulnCheck
预定
2026-04-03
披露
2026-04-04
状态
已确认
条目
VulDB provides additional information and datapoints for this CVE:
| 标识符 | 漏洞 | CWE | 可利用 | 对策 | CVE |
|---|---|---|---|---|---|
| 355252 | Belden Hirschmann HiLCOS OpenBAT Policy Enforcement 权限提升 | 284 | 未定义 | 官方修复 | CVE-2021-4477 |