CVE-2020-1677

CVSS V2 Medium 4.3 CVSS V3 High 7.2

Description

When SAML authentication is enabled, Juniper Networks Mist Cloud UI might incorrectly handle child elements in SAML responses, allowing a remote attacker to modify a valid SAML response without invalidating its cryptographic signature to bypass SAML authentication security controls. This issue affects all Juniper Networks Mist Cloud UI versions prior to September 2 2020.

Overview

CVE ID
CVE-2020-1677

Assigner
sirt@juniper.net

Vulnerability Status
Analyzed

Published Version
2020-10-16T21:15:13

Last Modified Date
2021-10-19T12:04:45

Weakness Enumerations

CWE	URL
CWE-345	http://cwe.mitre.org/data/definitions/345.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:juniper:mist_cloud_ui::::::::	1	OR		2020-09-02

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:N/C:N/I:P/A:N

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
PARTIAL

Availability Impact
NONE

Base Score
4.3

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
CHANGED

Confidentiality Impact
LOW

Availability Impact
NONE

Base Score
7.2

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
2.7

References

Reference URL	Reference Tags
https://kb.juniper.net/JSA11072	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-1677
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1677

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:51:13				Added to TrackCVE
2022-12-05 00:16:30	2020-10-16T21:15Z	2020-10-16T21:15:13	CVE Published Date	updated
2022-12-05 00:16:30		2021-10-19T12:04:45	CVE Modified Date	updated
2022-12-05 00:16:30		Analyzed	Vulnerability Status	updated