Detections
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Echo: net.i2p.crypto:eddsa: security update to 0.3.0-2.1

medium Tenable Cloud Security Plugin ID 464879

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - The implementation of EdDSA in EdDSA-Java (aka ed25519-java) through 0.3.0 exhibits signature malleability
 and does not satisfy the SUF-CMA (Strong Existential Unforgeability under Chosen Message Attacks)
 property. This allows attackers to create new valid signatures different from previous signatures for a
 known message. (CVE-2020-36843)

Solution

Update the net.i2p.crypto:eddsa library and its related packages to version 0.3.0-2.1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2020-36843

Plugin Details

Severity: Medium

ID: 464879

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/3/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

CVSS Score Source: CVE-2020-36843

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 11/24/2025

Vulnerability Publication Date: 3/13/2025

Reference Information

CVE: CVE-2020-36843