Vulnerability Details : CVE-2020-1920
A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash. This was introduced in react-native version 0.59.0 and fixed in version 0.64.1.
Vulnerability category: Denial of service
Products affected by CVE-2020-1920
- cpe:2.3:a:facebook:react-native:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-1920
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-1920
| 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 |
CWE ids for CVE-2020-1920
-
The product compares two entities in a security-relevant context, but the comparison is incorrect, which may lead to resultant weaknesses.Assigned by: nvd@nist.gov (Primary)
-
The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.Assigned by: cve-assign@fb.com (Secondary)
References for CVE-2020-1920
-
https://github.com/facebook/react-native/releases/tag/v0.64.1
Release Notes;Third Party Advisory
-
https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7
Update validateBaseUrl to use latest regex · facebook/react-native@ca09ae8 · GitHubPatch;Third Party Advisory
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