Is CVE-2007-1103 being actively exploited?

CVE-2007-1103 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2007-1103?

CVE-2007-1103 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2007-1103

MEDIUM · CVSS 4.3EPSS 1.8%EU EUVD

Tor does not verify a node's uptime and bandwidth advertisements, which allows remote attackers who operate a low resource node to make false claims of greater resources, which places the node into use for many circuits and compromises the anonymity of traffic sources and destinations.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
EPSS score: 1.8% (78th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2007-1100)
Published: February 26, 2007
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-1100 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

tor / tor

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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