CVE-2020-7774 (GCVE-0-2020-7774)

Vulnerability from cvelistv5 – Published: 2020-11-17 12:30 – Updated: 2024-09-16 20:13
VLAI
Title
Prototype Pollution
Summary
The package y18n before 3.2.2, 4.0.1 and 5.0.5, is vulnerable to Prototype Pollution.
Severity
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P
CWE
  • Prototype Pollution
Assigner
References
Impacted products
Vendor Product Version
n/a y18n Affected: unspecified , < 5.0.5 (custom)
Date Public
2020-11-17 00:00
Credits
po6ix
Show details on NVD website
To clipboard 

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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-05T02:32:08+00:00",
      "cve": "CVE-2020-7774",
      "id": "CVE-2020-7774",
      "initial_release_date": "2020-10-25T00:00:00+00:00",
      "product_status:fixed": "243",
      "product_status:known_affected": "17",
      "product_status:known_not_affected": "794",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "nodejs-y18n: prototype pollution vulnerability",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-7774.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2025-09-29T01:43:12Z",
      "cve": "CVE-2020-7774",
      "id": "CVE-2020-7774",
      "initial_release_date": "2023-02-15T04:01:45Z",
      "product_status:known_affected": "42",
      "product_status:known_not_affected": "82",
      "product_status:recommended": "553",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2020-7774",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2020-7774.json",
      "version": "10"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.