CVE-2020-7641: This affects all versions of package grunt-util-property

Q: How do I fix CVE-2020-7641?

grunt-util-property: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2020-7641 being exploited?

CVE-2020-7641 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-2020-7641 affect?

CVE-2020-7641 affects grunt-util-property. Severity is medium (CVSS 4.0). This affects all versions of package grunt-util-property. The function call could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.

Q: How urgent is CVE-2020-7641?

Priority 27/100. Public exploit reference

Routine

MEDIUM 4.0DOWNGRADE

CVE-2020-7641 is a medium-severity flaw (CVSS 4.0) affecting grunt-util-property. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

This affects all versions of package grunt-util-property. The function call could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.0 (Medium)
Attack vector	Local
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Weakness	CWE-1321
Published	2022-07-17
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: grunt-util-property project

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

Am I affected?

Timeline

2022-07-17 09:15 UTCPublished CVE record published
2026-06-17 03:25 UTCUpdated Record last modified

grunt-util-property project grunt-util-property DOWNGRADE

Affected: 0.0.1 · 0.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.0.1

1. Check installed version

npm ls grunt-util-property

2. No fixed release: DOWNGRADE to a release before 0.0.1

npm view grunt-util-property versions npm install grunt-util-property@"<0.0.1"

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2020-7641?

grunt-util-property: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-7641 being exploited?

CVE-2020-7641 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-2020-7641 affect?

CVE-2020-7641 affects grunt-util-property. Severity is medium (CVSS 4.0). This affects all versions of package grunt-util-property. The function call could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.

How urgent is CVE-2020-7641?

Priority 27/100. Public exploit reference

References

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