CVE-2020-27836

CVSS V2 None CVSS V3 Critical 9.8

Description

A flaw was found in cluster-ingress-operator. A change to how the router-default service allows only certain IP source ranges could allow an attacker to access resources that would otherwise be restricted to specified IP ranges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability..

Overview

CVE ID
CVE-2020-27836

Assigner
secalert@redhat.com

Vulnerability Status
Analyzed

Published Version
2022-08-22T15:15:12

Last Modified Date
2022-08-24T19:27:41

Weakness Enumerations

CWE	URL
CWE-732	http://cwe.mitre.org/data/definitions/732.html

CPE Configuration (Product)

CPE	Vulnerable	Operator
		AND
cpe:2.3:a:redhat:openshift_container_platform:4.6:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*	0	OR

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
9.8

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.9

References

Reference URL	Reference Tags
https://github.com/openshift/cluster-ingress-operator/pull/507/commits/92c83f281ba5fb6a1d91ecc3beaa4bcf2647a729
https://bugzilla.redhat.com/show_bug.cgi?id=1906267
https://access.redhat.com/security/cve/CVE-2020-27836
https://bugzilla.redhat.com/show_bug.cgi?id=1905490

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-27836
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27836

History

Created	Old Value	New Value	Data Type	Notes
2022-08-22 16:00:12				Added to TrackCVE