Vulnerability Details : CVE-2020-7754
Potential exploit
This affects the package npm-user-validate before 1.0.1. The regex that validates user emails took exponentially longer to process long input strings beginning with @ characters.
Products affected by CVE-2020-7754
- cpe:2.3:a:npmjs:npm-user-validate:*:*:*:*:*:node.js:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7754
0.39%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 73 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7754
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
Snyk |
References for CVE-2020-7754
-
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1019353
Regular Expression Denial of Service (ReDoS) in org.webjars.npm:npm-user-validate | SnykExploit;Third Party Advisory
-
https://github.com/npm/npm-user-validate/commit/c8a87dac1a4cc6988b5418f30411a8669bef204e
fix: update email validation · npm/npm-user-validate@c8a87da · GitHubPatch;Third Party Advisory
-
https://github.com/npm/npm-user-validate/security/advisories/GHSA-xgh6-85xh-479p
Regular Expression Denial of Service in npm-user-validate · Advisory · npm/npm-user-validate · GitHubThird Party Advisory
-
https://snyk.io/vuln/SNYK-JS-NPMUSERVALIDATE-1019352
Regular Expression Denial of Service (ReDoS) in npm-user-validate | SnykExploit;Third Party Advisory
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