Is CVE-2006-6893 actively exploited?

No active exploitation of CVE-2006-6893 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2006-6893 be exploited remotely?

Yes. CVE-2006-6893 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2006-6893?

CVE-2006-6893 has a CVSS score of 5.0 (MEDIUM).

HOME VULNERABILITIESCVE-2006-6893

MEDIUM

CVE-2006-6893

NVD-CWE-OtherPublished: December 31, 2006· Updated: Jun 16, 2026

5.0

CVSS v3.1

Official Description

Tor allows remote attackers to discover the IP address of a hidden service by accessing this service at a high rate, thereby changing the server's CPU temperature and consequently changing the pattern of time values visible through (1) ICMP timestamps, (2) TCP sequence numbers, and (3) TCP timestamps, a different vulnerability than CVE-2006-0414. NOTE: it could be argued that this is a laws-of-physics vulnerability that is a fundamental design limitation of certain hardware implementations, so perhaps this issue should not be included in CVE.

NVD Source

Technical Analysis

CVE-2006-6893 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.