Read the docs
TI-2021-02171 Aliases CVE-2021-3033GHSA-9pf8-h538-2p8j

Prisma Cloud Compute: SAML Authentication Bypass Vulnerability in Console

Priority MEDIUM 45CWE-347Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-347.

Summary

An improper verification of cryptographic signature vulnerability exists in the Palo Alto Networks Prisma Cloud Compute console. This vulnerability enables an attacker to bypass signature validation during SAML authentication by logging in to the Prisma Cloud Compute console as any authorized user. This issue impacts: All versions of Prisma Cloud Compute 19.11, Prisma Cloud Compute 20.04, and Prisma Cloud Compute 20.09; Prisma Cloud Compute 20.12 before update 1. Prisma Cloud Compute SaaS version is not impacted by this vulnerability.

Why it matters now

EPSS 0.01226 69th percentileScored 2026-11-07
Fix Fixed Prisma Cloud Compute (Palo Alto Networks): update 1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Palo Alto NetworksPrisma Cloud Compute19.11 – update 2; 20.04 – update 2; 20.09 – update 2; 20.12 to before update 1update 1Patch availableCNA
  • Prisma Cloud Compute VendorPalo Alto Networks Affected 19.11 – update 2; 20.04 – update 2; 20.09 – update 2; 20.12 to before update 1 Fixed in update 1 Patch available CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:a:paloaltonetworks:prisma_cloud:19.11:-:*:*:compute:*:*:*19.11VulnerableCyberArk Software, a Palo Alto Networks Company
cpe:2.3:a:paloaltonetworks:prisma_cloud:19.11:update_1:*:*:compute:*:*:*19.11 update_1VulnerableCyberArk Software, a Palo Alto Networks Company
cpe:2.3:a:paloaltonetworks:prisma_cloud:19.11:update_2:*:*:compute:*:*:*19.11 update_2VulnerableCyberArk Software, a Palo Alto Networks Company
cpe:2.3:a:paloaltonetworks:prisma_cloud:20.04:-:*:*:compute:*:*:*20.04VulnerableCyberArk Software, a Palo Alto Networks Company
cpe:2.3:a:paloaltonetworks:prisma_cloud:20.04:update_1:*:*:compute:*:*:*20.04 update_1VulnerableCyberArk Software, a Palo Alto Networks Company
cpe:2.3:a:paloaltonetworks:prisma_cloud:20.04:update_2:*:*:compute:*:*:*20.04 update_2VulnerableCyberArk Software, a Palo Alto Networks Company
cpe:2.3:a:paloaltonetworks:prisma_cloud:20.09:-:*:*:compute:*:*:*20.09VulnerableCyberArk Software, a Palo Alto Networks Company
cpe:2.3:a:paloaltonetworks:prisma_cloud:20.09:update_1:*:*:compute:*:*:*20.09 update_1VulnerableCyberArk Software, a Palo Alto Networks Company
cpe:2.3:a:paloaltonetworks:prisma_cloud:20.09:update_2:*:*:compute:*:*:*20.09 update_2VulnerableCyberArk Software, a Palo Alto Networks Company
cpe:2.3:a:paloaltonetworks:prisma_cloud:20.12:-:*:*:compute:*:*:*20.12VulnerableCyberArk Software, a Palo Alto Networks Company

Remediation

  • Fix · CNA Prisma Cloud Compute (Palo Alto Networks) Fixed in update 1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-3033
  2. 2026-10-03 Alias added: GHSA-9pf8-h538-2p8j

References

  • TI-2024-08782 Expedition: Unauthenticated OS Command Injection Vulnerability Leads to Firewall Credential Disclosure KEVCVSS 4.0CRITICAL 9.9
  • TI-2024-03172 PAN-OS: Arbitrary File Creation Leads to OS Command Injection Vulnerability in GlobalProtect KEVCVSS 3.1CRITICAL 10.0
  • TI-2020-01936 PAN-OS: Authentication Bypass in SAML Authentication KEVCVSS 3.1CRITICAL 10.0
  • TI-2017-11675 Palo Alto Networks PAN-OS before 6.1.19, 7.0.x before 7.0.19, 7.1.x before 7.1.14, and… KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-00239 PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID™ Authentication Portal KEVCVSS 4.0CRITICAL 9.3
  • TI-2024-08784 Expedition: SQL Injection Leads to Firewall Admin Credential Disclosure KEVCVSS 4.0CRITICAL 9.2
See all 367 →

Sources