CVE-2018-14715

The endCoinFlip function and throwSlammer function of the smart contract implementations for...

7.5 High

The endCoinFlip function and throwSlammer function of the smart contract implementations for Cryptogs, an Ethereum game, generate random numbers with an old block's hash. Therefore, attackers can predict the random number and always win the game.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

1.25%Up 0.8 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

Record: CVE-2018-14715
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-338
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-14715
Updated: 2026-11-02

EUVDEUVD-2018-6609 No score

Record: EUVD-2018-6609
Updated: 2026-11-03

GitHub AdvisoriesGHSA-p9f6-cwf6-ccqv 7.5

The endCoinFlip function and throwSlammer function of the smart contract implementations for...

Record: GHSA-p9f6-cwf6-ccqv
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-338
Updated: 2026-11-02

Affected products

cryptogs

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-14715 is a high vulnerability (CVSS 7.5) in Cryptogs, published August 3, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.25%, the 69th percentile. No source names a fixed version.