CVE-2020-7641
Prototype Pollution
CVE-2020-7641 is a medium vulnerability (CVSS 4.0) in Grunt-util-property Project Grunt-util-property, published July 17, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 32nd percentile. No source names a fixed version.
- Severity
- 4.0 MediumCVSS 3.1, CVE List
- Exploit chance
- 0.38%EPSS, 32nd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- Low
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
grunt-util-propertynpm | through 0.0.2 | None known |
What each source reports
CVE List Score used
Prototype Pollution
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.
- Record
CVE-2020-7641- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L/E:P/RL:U/RC:C - Updated
- 2026-11-02
EUVDEUVD-2022-6228
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.
- Record
EUVD-2022-6228- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L/E:P/RL:U/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4hq8-jgr8-mw9j
grunt-util-property 0.0.2 function call can add/modify properties of Object.prototype using a __proto__ payload
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.
- Record
GHSA-4hq8-jgr8-mw9j- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-7641- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
OSVGHSA-4hq8-jgr8-mw9j
grunt-util-property 0.0.2 function call can add/modify properties of Object.prototype using a __proto__ payload
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.
- Record
GHSA-4hq8-jgr8-mw9j- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1321
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.