CVE-2017-20233 Hirschmann HiLCOS Layer-2 Firewall Multicast Broadcast Traffic Bypass
MediumCVSS 5.3
EPSS 0.21%
- Published
- Updated
- Exploit status
- No public exploit known
Description
Hirschmann HiLCOS products OpenBAT, BAT450, WLC, BAT867 contains a firewall filtering vulnerability that fails to correctly filter IPv4 multicast and broadcast traffic when management IP address filtering is disabled, allowing configured filter rules to be bypassed. Attackers with network access can inject or observe multicast and broadcast packets that should have been blocked by the firewall.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Belden Hirschmann HiLCOS OpenBAT, BAT450, WLC | <= 9.10.5126-REL | No fix listed |
| Belden Hirschmann HiLCOS OpenBAT, BAT450, WLC | <= 9.12.5500-REL | No fix listed |
| Belden Hirschmann HiLCOS BAT867 | <= 9.14.5500-REL | No fix listed |
| Belden Hirschmann HiLCOS BAT867 | = 0 | No fix listed |
References
- assets.belden.com vendor-advisory
- www.vulncheck.com third-party-advisory