CVE-2019-25157: A vulnerability was found in Ethex Contracts

Q: How do I fix CVE-2019-25157?

ethex contracts: upgrade to 2019.06.26. Exact commands for each OS are on this page.

Q: Is CVE-2019-25157 being exploited?

CVE-2019-25157 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-25157 affect?

CVE-2019-25157 affects ethex contracts. Severity is medium (CVSS 4.3). A vulnerability was found in Ethex Contracts. It has been classified as critical. This affects an unknown part of the file EthexJackpot.sol of the component Monthly Jackpot Handler. The manipulation leads to improper access controls. It is

Q: How urgent is CVE-2019-25157?

Priority 33/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2019-25157 is a medium-severity flaw (CVSS 4.3) affecting ethex contracts. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in Ethex Contracts. It has been classified as critical. This affects an unknown part of the file EthexJackpot.sol of the component Monthly Jackpot Handler. The manipulation leads to improper access controls. It is possible to initiate the attack remotely. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The patch is named 6b8664b698d3d953e16c284fadc6cae

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-284
Published	2023-12-19
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: ethex

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

Am I affected?

Timeline

2023-12-19 03:15 UTCPublished CVE record published
2026-06-17 02:31 UTCUpdated Record last modified

ethex ethex contracts UPGRADE

Affected: < 2019.06.26

Fixed in: 2019.06.26

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ethex-contracts || rpm -q ethex-contracts || ethex-contracts --version

2. UPGRADE to 2019.06.26 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ethex-contracts

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ethex-contracts

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2019-25157?

ethex contracts: upgrade to 2019.06.26. Exact commands for each OS are on this page.

Is CVE-2019-25157 being exploited?

CVE-2019-25157 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-2019-25157 affect?

CVE-2019-25157 affects ethex contracts. Severity is medium (CVSS 4.3). A vulnerability was found in Ethex Contracts. It has been classified as critical. This affects an unknown part of the file EthexJackpot.sol of the component Monthly Jackpot Handler. The manipulation leads to improper access controls. It is

How urgent is CVE-2019-25157?

Priority 33/100. Public exploit reference

References

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