CVE-2023-36325

3.7 lowEPSS 0.5%

Low (3.7). EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

3.7 low

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
CWE: CWE-203
Published: 2024-10-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

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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