CVE-2020-7774
"y18n Prototype Pollution"
Description
The package y18n before 3.2.2, 4.0.1 and 5.0.5, is vulnerable to Prototype Pollution.
INFO
Published Date :
Nov. 17, 2020, 1:15 p.m.
Last Modified :
Dec. 2, 2022, 7:40 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2020-7774 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2020-7774
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-7774.
| URL | Resource |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf | Patch Third Party Advisory |
| https://github.com/yargs/y18n/issues/96 | Exploit Third Party Advisory |
| https://github.com/yargs/y18n/pull/108 | Patch Third Party Advisory |
| https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038306 | Exploit Third Party Advisory |
| https://snyk.io/vuln/SNYK-JS-Y18N-1021887 | Exploit Third Party Advisory |
| https://www.oracle.com/security-alerts/cpuApr2021.html | Patch Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
A centralized repository of standalone security patches for open source libraries.
appsec backport cve devsecops fix hotfix open-source patch protection remediation seal security update upgrade vulnerability
LoRa radio packet decoder
JavaScript TypeScript
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-7774 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-7774 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Dec. 02, 2022
Action Type Old Value New Value Removed CWE NIST CWE-915 Added CWE NIST CWE-1321 -
CVE Modified by [email protected]
Oct. 14, 2022
Action Type Old Value New Value Changed Description This affects the package y18n before 3.2.2, 4.0.1 and 5.0.5. PoC by po6ix: const y18n = require('y18n')(); y18n.setLocale('__proto__'); y18n.updateLocale({polluted: true}); console.log(polluted); // true The package y18n before 3.2.2, 4.0.1 and 5.0.5, is vulnerable to Prototype Pollution. -
Modified Analysis by [email protected]
Apr. 19, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch, Third Party Advisory Changed Reference Type https://www.oracle.com/security-alerts/cpuApr2021.html No Types Assigned https://www.oracle.com/security-alerts/cpuApr2021.html Patch, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:y18n_project:y18n:*:*:*:*:*:node.js:*:* versions up to (excluding) 4.0.1 *cpe:2.3:a:y18n_project:y18n:*:*:*:*:*:node.js:*:* versions from (including) 5.0.0 up to (excluding) 5.0.5 OR *cpe:2.3:a:y18n_project:y18n:*:*:*:*:*:node.js:*:* versions up to (excluding) 3.2.2 *cpe:2.3:a:y18n_project:y18n:4.0.0:*:*:*:*:node.js:*:* *cpe:2.3:a:y18n_project:y18n:*:*:*:*:*:node.js:*:* versions from (including) 5.0.0 up to (excluding) 5.0.5 Added CPE Configuration OR *cpe:2.3:a:oracle:graalvm:19.3.5:*:*:*:enterprise:*:*:* *cpe:2.3:a:oracle:graalvm:20.3.1.2:*:*:*:enterprise:*:*:* *cpe:2.3:a:oracle:graalvm:21.0.0.2:*:*:*:enterprise:*:*:* Added CPE Configuration OR *cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.1 -
CVE Modified by [email protected]
Mar. 10, 2022
Action Type Old Value New Value Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf [No Types Assigned] -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-20 CWE-915 -
CVE Modified by [email protected]
Jun. 14, 2021
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpuApr2021.html [No Types Assigned] -
CVE Modified by [email protected]
Jan. 06, 2021
Action Type Old Value New Value Changed Description This affects the package y18n before 4.0.1 and 5.0.5. PoC by po6ix: const y18n = require('y18n')(); y18n.setLocale('__proto__'); y18n.updateLocale({polluted: true}); console.log(polluted); // true This affects the package y18n before 3.2.2, 4.0.1 and 5.0.5. PoC by po6ix: const y18n = require('y18n')(); y18n.setLocale('__proto__'); y18n.updateLocale({polluted: true}); console.log(polluted); // true -
CVE Modified by [email protected]
Dec. 24, 2020
Action Type Old Value New Value Changed Description This affects the package y18n before 5.0.5. PoC by po6ix: const y18n = require('y18n')(); y18n.setLocale('__proto__'); y18n.updateLocale({polluted: true}); console.log(polluted); // true This affects the package y18n before 4.0.1 and 5.0.5. PoC by po6ix: const y18n = require('y18n')(); y18n.setLocale('__proto__'); y18n.updateLocale({polluted: true}); console.log(polluted); // true -
Reanalysis by [email protected]
Dec. 16, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:y18n_project:y18n:*:*:*:*:*:node.js:*:* versions up to (excluding) 5.0.5 OR *cpe:2.3:a:y18n_project:y18n:*:*:*:*:*:node.js:*:* versions up to (excluding) 4.0.1 *cpe:2.3:a:y18n_project:y18n:*:*:*:*:*:node.js:*:* versions from (including) 5.0.0 up to (excluding) 5.0.5 -
Initial Analysis by [email protected]
Dec. 03, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Changed Reference Type https://github.com/yargs/y18n/issues/96 No Types Assigned https://github.com/yargs/y18n/issues/96 Exploit, Third Party Advisory Changed Reference Type https://github.com/yargs/y18n/pull/108 No Types Assigned https://github.com/yargs/y18n/pull/108 Patch, Third Party Advisory Changed Reference Type https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038306 No Types Assigned https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038306 Exploit, Third Party Advisory Changed Reference Type https://snyk.io/vuln/SNYK-JS-Y18N-1021887 No Types Assigned https://snyk.io/vuln/SNYK-JS-Y18N-1021887 Exploit, Third Party Advisory Added CWE NIST CWE-20 Added CPE Configuration OR *cpe:2.3:a:y18n_project:y18n:*:*:*:*:*:node.js:*:* versions up to (excluding) 5.0.5
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-7774 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-7774
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
27.67 }} -0.57%
score
0.96903
percentile