Vulnerability · Published Nov 17, 2020 · Assigned by snyk
CVE-2020-7774Prototype Pollution
High 7.3
In plain English
A high-severity security flaw in y18n. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 69.6% (higher than 99.4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.3High
Exploit odds (30 days)69.6%top 0.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The package y18n before 3.2.2, 4.0.1 and 5.0.5, is vulnerable to Prototype Pollution.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | nodejs-nodemon | 1.18.3-1.module_el8.3.0+2023+d2377ea3 | ALSA-2021:0548 |
| AlmaLinux:8 | nodejs-nodemon | 1.18.3-1.module_el8.3.0+2023+d2377ea3 | ALSA-2020:5499 |
| AlmaLinux:8 | nodejs-nodemon | 1.18.3-1.module_el8.3.0+2047+b07ac28e | ALSA-2020:5499 |
| AlmaLinux:8 | nodejs-nodemon | 2.0.3-1.module_el8.4.0+2521+c668cc9f | ALSA-2021:0551 |
| AlmaLinux:8 | nodejs-nodemon | 1.18.3-1.module_el8.3.0+2047+b07ac28e | ALSA-2021:0548 |
| AlmaLinux:8 | nodejs-packaging | 17-3.module_el8.4.0+2521+c668cc9f | ALSA-2020:5499 |
| AlmaLinux:8 | nodejs-packaging | 23-3.module_el8.5.0+254+b4526b16 | ALSA-2021:0551 |
| AlmaLinux:8 | nodejs-packaging | 23-3.module_el8.4.0+2522+3bd42762 | ALSA-2021:0551 |
| AlmaLinux:8 | nodejs-packaging | 17-3.module_el8.3.0+2023+d2377ea3 | ALSA-2020:5499 |
| AlmaLinux:8 | nodejs-packaging | 17-3.module_el8.4.0+2224+b07ac28e | ALSA-2020:5499 |
| AlmaLinux:8 | nodejs-packaging | 17-3.module_el8.4.0+2224+b07ac28e | ALSA-2021:0548 |
| AlmaLinux:8 | nodejs-packaging | 17-3.module_el8.4.0+2521+c668cc9f | ALSA-2021:0548 |
| AlmaLinux:8 | nodejs-packaging | 17-3.module_el8.3.0+2023+d2377ea3 | ALSA-2021:0548 |
| Alpine:v3.20 | nodejs | 14.16.1-r0 | ALPINE-CVE-2020-7774 |
| Alpine:v3.21 | nodejs | 14.16.1-r0 | ALPINE-CVE-2020-7774 |
| Alpine:v3.22 | nodejs | 14.16.1-r0 | ALPINE-CVE-2020-7774 |
| Alpine:v3.23 | nodejs | 14.16.1-r0 | ALPINE-CVE-2020-7774 |
| Alpine:v3.24 | nodejs | 14.16.1-r0 | ALPINE-CVE-2020-7774 |
| Debian:12 | node-y18n | 4.0.0-3 | DEBIAN-CVE-2020-7774 |
| Debian:13 | node-y18n | 4.0.0-3 | DEBIAN-CVE-2020-7774 |
| Debian:14 | node-y18n | 4.0.0-3 | DEBIAN-CVE-2020-7774 |
| Rocky Linux:8 | nodejs-nodemon | 0:2.0.3-1.module+el8.6.0+982+9fdca2d4 | RLSA-2021:0551 |
| Rocky Linux:8 | nodejs-nodemon | 0:1.18.3-1.module+el8.3.0+101+f84c7154 | RLSA-2020:5499 |
| Rocky Linux:8 | nodejs-nodemon | 0:1.18.3-1.module+el8.3.0+101+f84c7154 | RLSA-2021:0548 |
| Rocky Linux:8 | nodejs-nodemon | 0:2.0.3-1.module+el8.3.0+100+234774f7 | RLSA-2021:0551 |
| Rocky Linux:8 | nodejs-nodemon | 0:2.0.3-1.module+el8.4.0+638+5344c6f7 | RLSA-2021:0551 |
| Rocky Linux:8 | nodejs-packaging | 0:23-3.module+el8.7.0+1071+4bdda2a8 | RLSA-2021:0551 |
| Rocky Linux:8 | nodejs-packaging | 0:23-3.module+el8.3.0+100+234774f7 | RLSA-2021:0551 |
| Rocky Linux:8 | nodejs-packaging | 0:23-3.module+el8.5.0+733+de4fee6c | RLSA-2021:0551 |
| Rocky Linux:8 | nodejs-packaging | 0:17-3.module+el8.3.0+101+f84c7154 | RLSA-2020:5499 |
| Rocky Linux:8 | nodejs-packaging | 0:17-3.module+el8.3.0+101+f84c7154 | RLSA-2021:0548 |
| Ubuntu:22.04:LTS | node-y18n | no fix listed | UBUNTU-CVE-2020-7774 |
| npm | y18n | 5.0.5 | GHSA-c4w7-xm78-47vh |
| npm | y18n | 4.0.1 | GHSA-c4w7-xm78-47vh |
| npm | y18n | 3.2.2 | GHSA-c4w7-xm78-47vh |