CVE-2020-12390 : Incorrect origin serialization of URLs with IPv6 addresses could lead to incorre

Incorrect origin serialization of URLs with IPv6 addresses could lead to incorrect security checks. This vulnerability affects Firefox < 76.

Published 2020-05-26 18:15:11

Updated 2020-05-29 16:12:28

Source Mozilla Corporation

View at NVD, CVE.org

Products affected by CVE-2020-12390

Mozilla » Firefox
Versions before (<) 76.0
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

1.47%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 79 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-502 Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Assigned by: nvd@nist.gov (Primary)

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