CVE-2018-15552: The "PayWinner" function of a simplelottery smart contract implementation for The Ethereum Lottery, an Ethereu

This week

HIGH 7.5REMOTEMITIGATE

CVE-2018-15552 is a high-severity flaw (CVSS 7.5) affecting the ethereum lottery. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The "PayWinner" function of a simplelottery smart contract implementation for The Ethereum Lottery, an Ethereum gambling game, generates a random value with publicly readable variable "maxTickets" (which is private, yet predictable and readable by the eth.getStorageAt function). Therefore, it allows attackers to always win and get rewards.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-338
Published	2018-09-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: theethereumlottery

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-09-07 22:29 UTCPublished CVE record published
2026-06-17 01:42 UTCUpdated Record last modified

theethereumlottery the ethereum lottery MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy the-ethereum-lottery || rpm -q the-ethereum-lottery || the-ethereum-lottery --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-15552?

the ethereum lottery: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-15552 being exploited?

CVE-2018-15552 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-15552 affect?

CVE-2018-15552 affects the ethereum lottery. Severity is high (CVSS 7.5). The "PayWinner" function of a simplelottery smart contract implementation for The Ethereum Lottery, an Ethereum gambling game, generates a random value with publicly readable variable "maxTickets" (which is private, yet predictable and read

How urgent is CVE-2018-15552?

Priority 53/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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