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CVE-2018-18667

24
FAUCET Score

CVE-2018-18667 describes an integer overflow vulnerability in the mintToken function of Pylon (PYLNT) aka PylonToken, an Ethereum token, allowing the contract owner to arbitrarily set user balances. This high-severity vulnerability (CVSS 7.5) has a network attack vector and low complexity, posing a significant integrity risk. Despite its potential impact, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:pylon-network:pylontoken:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.42%
Probability of exploitation in next 30 days
EPSS Percentile
70.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0142 is in the 51st percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

etherscan.io / address/0x7703c35cffdc5cda8d27aa3df2f9ba6964544b6e
Third Party Advisory
github.com / klenergy/ethereum-contracts/issues/1
ExploitThird Party Advisory
github.com / n0pn0pn0p/smart_contract_-vulnerability/blob/master/PolyAi.md
ExploitThird Party Advisory