How severe is CVE-2018-13146?

CVE-2018-13146 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 none, integrity high, and availability none.

Is CVE-2018-13146 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-13146?

CVE-2018-13146 affects Lef Project Lef. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-13146?

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-2018-13146 published?

CVE-2018-13146 was published on 2018-07-04 and last updated on 2026-06-17.

CVE-2018-13146

CVE-2018-13146 is a high-severity vulnerability in Lef Project Lef 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-190.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Lef Project Lef
Published: 2018-07-04
Last modified: 2026-06-17

Description

The mintToken, buy, and sell functions of a smart contract implementation for LEF, an Ethereum token, have an integer overflow.

Frequently asked questions

What is CVE-2018-13146?: The mintToken, buy, and sell functions of a smart contract implementation for LEF, an Ethereum token, have an integer overflow.
How severe is CVE-2018-13146?: CVE-2018-13146 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 none, integrity high, and availability none.
Is CVE-2018-13146 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-13146?: CVE-2018-13146 affects Lef Project Lef. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-13146?: 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-2018-13146 published?: CVE-2018-13146 was published on 2018-07-04 and last updated on 2026-06-17.

References

https://github.com/safecomet/EtherTokens/blob/master/LEF%20%28LEF%29/LEF%20%28LEF%29.md

Affected products (1)

cpe:2.3:a:lef_project:lef:-:*:*:*:*:*:*:*

Other CWE-190 (Integer Overflow or Wraparound) vulnerabilities

CVE-2026-4689 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was…
CVE-2026-24814 — Critical (CVSS 10.0): Integer Overflow or Wraparound vulnerability in swoole swoole-src (thirdparty/hiredis modules). This vulnerability is…
CVE-2025-64721 — Critical (CVSS 10.0): Sandboxie is a sandbox-based isolation software for 32-bit and 64-bit Windows NT-based operating systems. In versions…
CVE-2015-5108 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2015-5097 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2013-2555 — Critical (CVSS 10.0): Integer overflow in Adobe Flash Player before 10.3.183.75 and 11.x before 11.7.700.169 on Windows and Mac OS X, before…

Browse all CWE-190 (Integer Overflow or Wraparound) vulnerabilities →