CVE-2006-2223
CWE-20Published: May 5, 2006· Updated: Jun 16, 2026
Official Description
RIPd in Quagga 0.98 and 0.99 before 20060503 does not properly implement configurations that (1) disable RIPv1 or (2) require plaintext or MD5 authentication, which allows remote attackers to obtain sensitive information (routing state) via REQUEST packets such as SEND UPDATE.
Technical Analysis
CVE-2006-2223 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A proof-of-concept (PoC) exploit exists for CVE-2006-2223. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (46)
Quick Facts
Related CVEs (CWE-20)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2006-2223 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts