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MEDIUM · 4.3

CVE-2020-9857

An issue existed in the parsing of URLs. This issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.5, Security Update 2020-003 Mojave, Security Update 2020-0...

Vulnerability Description

An issue existed in the parsing of URLs. This issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.5, Security Update 2020-003 Mojave, Security Update 2020-003 High Sierra. A malicious website may be able to exfiltrate autofilled data in Safari.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
AppleMac Os X< 10.15.5

References

FAQ

What is CVE-2020-9857?

CVE-2020-9857 is a vulnerability with a CVSS score of 4.3 (MEDIUM). An issue existed in the parsing of URLs. This issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.5, Security Update 2020-003 Mojave, Security Update 2020-0...

How severe is CVE-2020-9857?

CVE-2020-9857 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-9857?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Mac Os X.