CVE-2006-3411

CVE-2006-3411 is a medium-severity vulnerability in Tor with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

TLS handshakes in Tor before 0.1.1.20 generate public-private keys based on TLS context rather than the connection, which makes it easier for remote attackers to conduct brute force attacks on the encryption keys.

Frequently asked questions

What is CVE-2006-3411?
TLS handshakes in Tor before 0.1.1.20 generate public-private keys based on TLS context rather than the connection, which makes it easier for remote attackers to conduct brute force attacks on the encryption keys.
How severe is CVE-2006-3411?
CVE-2006-3411 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2006-3411 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3411?
CVE-2006-3411 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-2006-3411?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-3411 published?
CVE-2006-3411 was published on 2006-07-07 and last updated on 2026-06-16.

References

Affected products (68)

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