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.
CVE-2007-1103
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 74.6%
- KEV
- Not listed
Published
February 26, 2007
Last Modified
April 23, 2026
References (10)
- cve@mitrehttp://archives.seul.org/or/talk/Feb-2007/msg00197.html
- cve@mitrehttp://archives.seul.org/or/talk/Feb-2007/msg00200.html
- cve@mitrehttp://archives.seul.org/or/talk/Feb-2007/msg00202.html
- cve@mitrehttp://osvdb.org/45249
- cve@mitrehttp://www.cs.colorado.edu/department/publications/reports/docs/CU-CS-1025-07.pdf
- af854a3a-2127-422b-91ae-364da2661108http://archives.seul.org/or/talk/Feb-2007/msg00197.html
- af854a3a-2127-422b-91ae-364da2661108http://archives.seul.org/or/talk/Feb-2007/msg00200.html
- af854a3a-2127-422b-91ae-364da2661108http://archives.seul.org/or/talk/Feb-2007/msg00202.html
- af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/45249
- af854a3a-2127-422b-91ae-364da2661108http://www.cs.colorado.edu/department/publications/reports/docs/CU-CS-1025-07.pdf
Data Freshness Timeline
(refreshed 3× in last 7d / 36× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 22:25 UTCEPSS rescore
- 2026-07-08 15:09 UTCEPSS rescore
- 2026-07-08 14:57 UTCOSV refresh
- 2026-07-06 02:19 UTCEPSS rescore
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- 2026-06-20 02:42 UTCOSV refresh
- 2026-06-19 19:22 UTCEPSS rescore
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- 2026-06-01 13:49 UTCEPSS rescore
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- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 04:07 UTCEG score recompute
- 2026-05-31 04:06 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-28 22:06 UTCOSV refresh
- 2026-05-28 13:42 UTCEPSS rescore
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- 2026-05-27 13:37 UTCEPSS rescore
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- 2026-05-26 13:41 UTCEPSS rescore
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- 2026-05-26 07:16 UTCEPSS rescore
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- 2026-05-24 16:42 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
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- 2026-05-21 22:38 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2007-1103?
CVE-2007-1103 is a none vulnerability published on February 26, 2007. 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.
When was CVE-2007-1103 disclosed?
CVE-2007-1103 was first published in the National Vulnerability Database on February 26, 2007, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2007-1103 actively exploited?
CVE-2007-1103 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2007-1103?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-1103, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2007-1103
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