How severe is CVE-2018-14715?

CVE-2018-14715 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-14715 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-14715?

CVE-2018-14715 affects Cryptogs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-14715?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-14715 published?

CVE-2018-14715 was published on 2018-08-03 and last updated on 2026-06-17.

CVE-2018-14715

CVE-2018-14715 is a high-severity vulnerability in Cryptogs with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-338.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-338
Affected product: Cryptogs
Published: 2018-08-03
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2018-14715?: 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.
How severe is CVE-2018-14715?: CVE-2018-14715 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-14715 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-14715?: CVE-2018-14715 affects Cryptogs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-14715?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-14715 published?: CVE-2018-14715 was published on 2018-08-03 and last updated on 2026-06-17.

References

https://medium.com/%40jonghyk.song/attack-on-pseudo-random-number-generator-prng-used-in-cryptogs-an-ethereum-cve-2018-14715-f63a51ac2eb9

Affected products (1)

cpe:2.3:a:cryptogs:cryptogs:-:*:*:*:*:*:*:*

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