VulnerabilityModified
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.
HIGH 7.5EPSS 1.36%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.36% probability · 70th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1333, CWE-697
- Affected
- facebook/react-native
- Source
- cve-assign@fb.com
References
- https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7Patch, Third Party Advisory
- https://github.com/facebook/react-native/releases/tag/v0.64.1Release Notes, Third Party Advisory
- https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7Patch, Third Party Advisory
- https://github.com/facebook/react-native/releases/tag/v0.64.1Release Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.