CVE-2006-3418

CVE-2006-3418 is a medium-severity vulnerability in Tor with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Tor before 0.1.1.20 does not validate that a server descriptor's fingerprint line matches its identity key, which allows remote attackers to spoof the fingerprint line, which might be trusted by users or other applications.

Frequently asked questions

What is CVE-2006-3418?
Tor before 0.1.1.20 does not validate that a server descriptor's fingerprint line matches its identity key, which allows remote attackers to spoof the fingerprint line, which might be trusted by users or other applications.
How severe is CVE-2006-3418?
CVE-2006-3418 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-3418 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3418?
CVE-2006-3418 primarily affects Tor. In total, 68 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-3418?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-3418 published?
CVE-2006-3418 was published on 2006-07-07 and last updated on 2026-06-16.

References

Affected products (68)

More vulnerabilities in Tor

All CVEs affecting Tor →