CVE-2006-2223

CVE-2006-2223 is a medium-severity vulnerability in Quagga with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

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.

Frequently asked questions

What is CVE-2006-2223?
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.
How severe is CVE-2006-2223?
CVE-2006-2223 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-2223 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-2223?
CVE-2006-2223 primarily affects Quagga. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-2223?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-2223 published?
CVE-2006-2223 was published on 2006-05-05 and last updated on 2026-06-16.

References

Affected products (2)

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