What is CVE-2020-13431?

CVE-2020-13431 is a high-severity vulnerability in Geti2p I2p, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2020-06-16.

How severe is CVE-2020-13431?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Geti2p I2p

CVE-2020-13431

I2P before 0.9.46 allows local users to gain privileges via a Trojan horse I2PSvc.exe file because of weak permissions on a certain %PROGRAMFILES% subdirectory.

Published 2020-06-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (21.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Geti2p I2p

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

geti2p.net/en (Product)
blog.blazeinfosec.com/security-advisory-i2p-for-windows-local-privilege-escalat… (Technical Description, Third Party Advisory)

Frequently asked questions

What is CVE-2020-13431?: CVE-2020-13431 is a high-severity vulnerability in Geti2p I2p, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2020-06-16.
How severe is CVE-2020-13431?: High severity. CVSS v3 base score is 7.8 out of 10.