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Palo Alto Networks Product Security Incident Response TeamPA-CVE-2021-3046

HistoryAug 11, 2021 - 4:00 p.m.

PAN-OS: Improper SAML Authentication Vulnerability in GlobalProtect Portal

2021-08-1116:00:00

Palo Alto Networks Product Security Incident Response Team

securityadvisories.paloaltonetworks.com

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

6.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

28.4%

JSON

An improper authentication vulnerability exists in Palo Alto Networks PAN-OS software that enables a SAML authenticated attacker to impersonate any other user in the GlobalProtect Portal and GlobalProtect Gateway when they are configured to use SAML authentication.

Work around:
You can disable SAML authentication for any impacted GlobalProtect portal or gateway until you upgrade the PAN-OS firewall to a fixed version.

CPENameOperatorVersion
pan-oslt8.1.19
pan-oslt9.0.14
pan-oslt9.1.9
pan-oslt10.0.5

Name	Operator	Version
pan-os	lt	8.1.19
pan-os	lt	9.0.14
pan-os	lt	9.1.9
pan-os	lt	10.0.5

References

security.paloaltonetworks.com/CVE-2021-3046

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

6.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

28.4%

JSON

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