Vulnerability Details : CVE-2021-23490
Potential exploit
The package parse-link-header before 2.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the checkHeader function.
Vulnerability category: Denial of service
Products affected by CVE-2021-23490
- cpe:2.3:a:parse-link-header_project:parse-link-header:*:*:*:*:*:node.js:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-23490
0.39%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-23490
| 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
|
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-2021-23490
-
https://snyk.io/vuln/SNYK-JS-PARSELINKHEADER-1582783
Regular Expression Denial of Service (ReDoS) in parse-link-header | CVE-2021-23490 | SnykExploit;Patch;Third Party Advisory
-
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2321973
Regular Expression Denial of Service (ReDoS) in org.webjars.npm:parse-link-header | CVE-2021-23490 | SnykExploit;Patch;Third Party Advisory
-
https://github.com/thlorenz/parse-link-header/commit/72f05c717b3f129c5331a07bf300ed8886eb8ae1
Limit linkHeader length, throw error if exceeds (#25) · thlorenz/parse-link-header@72f05c7 · GitHubPatch;Third Party Advisory
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