What’s Vulnerable › Vulnerabilities

CVE-2023-36325

• Severity: low (CVSS 3.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-09 · updated 2026-06-17
• Weakness: CWE-203

Description

i2p before 2.3.0 (Java) allows de-anonymizing the public IPv4 and IPv6 addresses of i2p hidden services (aka eepsites) via a correlation attack across the IPv4 and IPv6 addresses that occurs when a tunneled, replayed message has a behavior discrepancy (it may be dropped, or may result in a Wrong Destination response). An attack would take days to complete.

References

• https://geti2p.net/en/blog/post/2023/06/25/new_release_2.3.0
• https://i2pgit.org/i2p-hackers/i2p.i2p/-/commit/82aa4e19fbb37ca1bd752ec1b836120beec0985f
• https://xeiaso.net/blog/CVE-2023-36325

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