CVE-2015-20112

LOW

Published Jun 29, 2025 Modified Apr 15, 2026 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.

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CVSS v3.1 Score

3.4

LOW

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

Weakness Type (CWE)

CWE-325 CWE-325

References

Other 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

Frequently Asked Questions

What is CVE-2015-20112? +

RLPx 5 has two CTR streams based on the same key, IV, and nonce. This can facilitate decryption on a private network. It has a CVSS v3.1 base score of 3.4 (LOW).

How severe is CVE-2015-20112? +

CVE-2015-20112 has a CVSS v3.1 score of 3.4 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

How do I check if I'm vulnerable to CVE-2015-20112? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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