CVE-2021-3056

CVSS V2 High 8.5 CVSS V3 High 8.8
Description
A memory corruption vulnerability in Palo Alto Networks PAN-OS GlobalProtect Clientless VPN enables an authenticated attacker to execute arbitrary code with root user privileges during SAML authentication. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.9; PAN-OS 10.0 versions earlier than PAN-OS 10.0.1. Prisma Access customers with Prisma Access 2.1 Preferred firewalls are impacted by this issue.
Overview
  • CVE ID
  • CVE-2021-3056
  • Assigner
  • psirt@paloaltonetworks.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-11-10T17:15:09
  • Last Modified Date
  • 2021-11-15T13:03:34
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* 1 OR 8.1.0 8.1.20
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* 1 OR 9.0.0 9.0.14
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* 1 OR 9.1.0 9.1.9
cpe:2.3:o:paloaltonetworks:pan-os:10.0.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 8.5
  • Severity
  • HIGH
  • Exploitability Score
  • 6.8
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://security.paloaltonetworks.com/CVE-2021-3056 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-3056
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3056
History
Created Old Value New Value Data Type Notes
2022-05-10 06:47:24 Added to TrackCVE
2022-12-05 14:17:01 2021-11-10T17:15Z 2021-11-10T17:15:09 CVE Published Date updated
2022-12-05 14:17:01 2021-11-15T13:03:34 CVE Modified Date updated
2022-12-05 14:17:01 Analyzed Vulnerability Status updated