Vulnerability Details : CVE-2020-7661
all versions of url-regex are vulnerable to Regular Expression Denial of Service. An attacker providing a very long string in String.test can cause a Denial of Service.
Vulnerability category: Denial of service
Products affected by CVE-2020-7661
- cpe:2.3:a:url-regex_project:url-regex:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7661
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7661
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
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 |
CWE ids for CVE-2020-7661
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-7661
-
https://github.com/kevva/url-regex/issues/70
[VULNERABILITY] Parsing a long String will result in 100% CPU usage and `String.test` will never finish · Issue #70 · kevva/url-regex · GitHubExploit;Third Party Advisory
-
https://snyk.io/vuln/SNYK-JS-URLREGEX-569472
Regular Expression Denial of Service (ReDoS) in url-regex | SnykExploit;Third Party Advisory
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