CVE-2015-20112

LOW

Ethereum RLPx 5 - Missing Cryptographic Step in CTR Stream Handling

Title source: llm
STIX 2.1

Description

RLPx 5 has two CTR streams based on the same key, IV, and nonce. This can facilitate decryption on a private network.

Scores

CVSS v3 3.4
EPSS 0.0014
EPSS Percentile 3.7%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-325
Status published
Products (1)
Ethereum/RLPx 5
Published Jun 29, 2025
Tracked Since Feb 18, 2026