What’s Vulnerable › Vulnerabilities

CVE-2015-20112

• Severity: low (CVSS 3.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-29 · updated 2026-06-17
• Weakness: CWE-325

Description

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

Affected products

• Ethereum RLPx: 5

References

• https://github.com/LaurentMT/go-ethereum/commit/e8cba7283b57280b1bcf5761478f852398365901
• https://github.com/ethereum/devp2p/blob/master/rlpx.md#known-issues-in-the-current-version
• https://github.com/ethereum/devp2p/issues/32
• https://github.com/ethereum/go-ethereum/issues/1315
• https://github.com/hyperledger/besu/issues/7926

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