CVE-2020-17752: Integer overflow vulnerability in payable function of a smart contract implementation for an Ethereum token, a

This week

CRITICAL 9.8REMOTEMITIGATE

CVE-2020-17752 is a critical-severity flaw (CVSS 9.8) affecting mon. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Integer overflow vulnerability in payable function of a smart contract implementation for an Ethereum token, as demonstrated by the smart contract implemented at address 0xB49E984A83d7A638E7F2889fc8328952BA951AbE, an implementation for MillionCoin (MON).

Why this priority

Critical 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	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.6% (top 25%)
CISA exploited list	No
Weakness	CWE-190
Published	2021-06-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mon project

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

Am I affected?

Timeline

2021-06-24 20:15 UTCPublished CVE record published
2026-06-17 02:59 UTCUpdated Record last modified

mon project mon 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 mon || rpm -q mon || mon --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-2020-17752?

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

Is CVE-2020-17752 being exploited?

CVE-2020-17752 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-2020-17752 affect?

CVE-2020-17752 affects mon. Severity is critical (CVSS 9.8). Integer overflow vulnerability in payable function of a smart contract implementation for an Ethereum token, as demonstrated by the smart contract implemented at address 0xB49E984A83d7A638E7F2889fc8328952BA951AbE, an implementation for Mill

How urgent is CVE-2020-17752?

Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

← Back to latest CVEs