CVE-2017-20233 is a firewall filtering vulnerability affecting Hirschmann HiLCOS products, including OpenBAT, BAT450, WLC, and BAT867. This flaw allows IPv4 multicast and broadcast traffic to bypass configured firewall rules when management IP address filtering is disabled. Rated with a CVSS score of 5.4 (Medium), it can be exploited by attackers with network access to inject or observe packets, leading to low confidentiality and integrity impact. There is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage for this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Belden | Hirschmann HiLCOS BAT867 | >= 0, <= 9.14.5500-REL, 0CNA affecteddefault unaffected | |
| Belden | Hirschmann HiLCOS OpenBAT, BAT450, WLC | >= 0, <= 9.10.5126-REL, >= 0, <= 9.12.5500-RELCNA affecteddefault unaffected |
CVSS version used by this source: 4.0
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.