OPNsense core before 26.7.8 contains a log injection vulnerability that allows unauthenticated attackers to plant victim IP addresses in the…
OPNsense core before 26.7.8 contains a log injection vulnerability that allows unauthenticated attackers to plant victim IP addresses in the lockout_handler by submitting crafted WebGUI login usernames. Attackers can submit usernames like 'Invalid user <victim-ip>' repeatedly to add the victim to the sshlockout table, blocking SSH and WebGUI access and killing its pf states.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Opnsense
- Product
- core
- CVSS v3.1
- 5.3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Weakness
- CWE-117
- Exposure class
- Edge / VPN / firewall
- NVD status
- Received
Why it ranks 17 (Routine)
- CVSS v3.1 5.3 medium
- Exposed product class: edge / VPN / firewall
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.