CVE-2020-17753: An issue was discovered in function addMeByRC in the smart contract implementation for RC, an Ethereum token,

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MEDIUM 6.5MITIGATEMITIGATE

CVE-2020-17753 is a medium-severity flaw (CVSS 6.5) affecting rc, rcpro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in function addMeByRC in the smart contract implementation for RC, an Ethereum token, allows attackers to transfer an arbitrary amount of tokens to an arbitrary address.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Published	2021-06-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: rc project · rcpro 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

rc project rc 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 rc || rpm -q rc || rc --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

rcpro project rcpro 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 rcpro || rpm -q rcpro || rcpro --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-2020-17753?

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

Is CVE-2020-17753 being exploited?

CVE-2020-17753 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-2020-17753 affect?

CVE-2020-17753 affects rc, rcpro. Severity is medium (CVSS 6.5). An issue was discovered in function addMeByRC in the smart contract implementation for RC, an Ethereum token, allows attackers to transfer an arbitrary amount of tokens to an arbitrary address.

How urgent is CVE-2020-17753?

Priority 46/100. Public exploit reference

Related CVEs

CVE-2014-1936 HIGH 7.5 UPGRADE MITIGATE rc before 1.7.1-5 insecurely creates temporary files.

References

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