Vulnerability-Lookup

GHSA-CCR5-HMVM-37Q5

Vulnerability from github – Published: 2024-11-27 06:30 – Updated: 2025-06-27 18:30

Details

An insufficient certification validation issue in the Palo Alto Networks GlobalProtect app enables attackers to connect the GlobalProtect app to arbitrary servers. This can enable a local non-administrative operating system user or an attacker on the same subnet to install malicious root certificates on the endpoint and subsequently install malicious software signed by the malicious root certificates on that endpoint.

GlobalProtect App for Android is under evaluation. Please subscribe to our RSS feed https://security.paloaltonetworks.com/rss.xml to be alerted to new updates to this and other advisories.

Severity ?

8.8 (High)


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

7.1 (High)


                  
                    CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H/AU:N/R:U/V:D/RE:M/U:Amber

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2024-5921"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-295"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-11-27T04:15:14Z",
    "severity": "HIGH"
  },
  "details": "An insufficient certification validation issue in the Palo Alto Networks GlobalProtect app enables attackers to connect the GlobalProtect app to arbitrary servers. This can enable a local non-administrative operating system user or an attacker on the same subnet to install malicious root certificates on the endpoint and subsequently install malicious software signed by the malicious root certificates on that endpoint.\n\nGlobalProtect App for Android is under evaluation. Please subscribe to  our RSS feed https://security.paloaltonetworks.com/rss.xml  to be alerted to new updates to this and other advisories.",
  "id": "GHSA-ccr5-hmvm-37q5",
  "modified": "2025-06-27T18:30:35Z",
  "published": "2024-11-27T06:30:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-5921"
    },
    {
      "type": "WEB",
      "url": "https://blog.amberwolf.com/blog/2024/november/palo-alto-globalprotect---code-execution-and-privilege-escalation-via-malicious-vpn-server-cve-2024-5921"
    },
    {
      "type": "WEB",
      "url": "https://github.com/AmberWolfCyber/NachoVPN"
    },
    {
      "type": "WEB",
      "url": "https://security.paloaltonetworks.com/CVE-2024-5921"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2024-5921 (GCVE-0-2024-5921)

Vulnerability from cvelistv5 – Published: 2024-11-27 03:50 – Updated: 2025-02-20 22:30

Title

GlobalProtect App: Insufficient Certificate Validation Leads to Privilege Escalation

Summary

Severity ?

6 (Medium)


                        
                          CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H/AU:N/R:U/V:D/RE:M/U:Amber

7.1 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H/AU:N/R:U/V:D/RE:M/U:Amber

CWE

CWE-295 - Improper Certificate Validation

Assigner

palo_alto

References

URL

Tags

	https://security.paloaltonetworks.com/CVE-2024-5921	vendor-advisory
	https://blog.amberwolf.com/blog/2024/november/pal…	exploit
	https://github.com/AmberWolfCyber/NachoVPN	exploit

Impacted products

Vendor

Product

Version

Palo Alto Networks

GlobalProtect App

Affected: 6.3.0 , < 6.3.2 (custom)
Affected: 6.2.0 , < 6.2.6 (custom)
Affected: 6.1.0 (custom)

Palo Alto Networks	GlobalProtect App	Affected: 6.3.0 , < 6.3.2 (custom) Affected: 6.2.0 , < 6.2.6-c857 (custom) Affected: 6.1.0 (custom)
Palo Alto Networks	GlobalProtect App	Affected: 6.2.0 , < 6.2.1-c31 (custom) Affected: 6.1.0 (custom)
Palo Alto Networks	GlobalProtect App	Affected: 6.1.0 , < 6.1.6 (custom)
Palo Alto Networks	GlobalProtect App	Affected: 6.1.0 , < 6.1.7 (custom)
Palo Alto Networks	GlobalProtect App	Unaffected: 6.0.0 (custom) Unaffected: 5.1.0 (custom)
Palo Alto Networks	GlobalProtect App	Affected: 6.2.0 , < 6.2.6 (custom)

Date Public ?

2024-11-26 02:45

Credits

Maxime ESCOURBIAC, Michelin CERT Yassine BENGANA, Abicom for Michelin CERT Richard Warren and David Cash of AmberWolf

Show details on NVD website

JSON

To clipboard

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              "value": "\u003cp\u003e\u003c/p\u003e\u003cp\u003eAn insufficient certification validation issue in the Palo Alto Networks GlobalProtect app enables attackers to connect the GlobalProtect app to arbitrary servers. This can enable a local non-administrative operating system user or an attacker on the same subnet to install malicious root certificates on the endpoint and subsequently install malicious software signed by the malicious root certificates on that endpoint.\u003c/p\u003e\u003cp\u003ePlease subscribe to \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://security.paloaltonetworks.com/rss.xml\"\u003eour RSS feed\u003c/a\u003e to be alerted to new updates to this and other advisories.\u003c/p\u003e"
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              "value": "\u003cp\u003eThis issue is fixed in GlobalProtect app 6.2.1-c31 on Linux, GlobalProtect app 6.2.6 on Windows, GlobalProtect app 6.2.6-c857 on macOS, GlobalProtect app 6.3.2 on Windows and macOS, and all later GlobalProtect app versions. Additional fixes are under development and will be made available for the remaining platforms (Linux, iOS, and Android).\u003c/p\u003eThe fix for this vulnerability requires three steps:\u003cbr\u003e\u003col\u003e\u003cli\u003eEnsure that all of your GlobalProtect portals use TLS certificate chains that meet the criteria specified in the \"FIPS-CC Certification Validation\" table in \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://docs.paloaltonetworks.com/globalprotect/10-1/globalprotect-admin/certifications/resolve-fips-cc-mode-issues\"\u003eour documentation\u003c/a\u003e.\u003c/li\u003e\u003cli\u003eEnsure that the TLS certificate chains used by the GlobalProtect portals are added to the root certificate store in your operating system.\u003c/li\u003e\u003cli\u003eInstall a fixed version of GlobalProtect using one of the deployment options below. This setting enforces strict X.509v3 verification checks on the certificate provided by the GlobalProtect portal.\u003cbr\u003e\u003c/li\u003e\u003c/ol\u003e\u003cp\u003eNote: Prisma Access customers using portals with a *.gpcloudservice.com domain name already have valid TLS certificate chains. The root certificate for these portals is from GoDaddy, which is trusted by default in Windows, macOS, RHEL, Ubuntu, iOS, and Android. Therefore, Prisma Access customers using a GlobalProtect portal with a *.gpcloudservice.com domain name should only need to perform step 3 above.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eImportant\u003c/b\u003e: If your GlobalProtect portals do not use valid X.509V3 TLS certificate chains, this will result in TLS verification failures. To generate a GlobalProtect portal certificate that can be used with a fixed version of GlobalProtect app, refer to the first \"FIPS-CC Certification Validation\" table in \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://docs.paloaltonetworks.com/globalprotect/10-1/globalprotect-admin/certifications/resolve-fips-cc-mode-issues\"\u003eour documentation\u003c/a\u003e.\u003cb\u003e\u003cbr\u003e\u003c/b\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003e\u003c/b\u003e\u003cb\u003e\u003c/b\u003e\u003cb\u003eWarning: Performance Concern:\u003c/b\u003e Some customers reported problems connecting to Portals and Gateways when this solution was implemented in certain situations. This is due to certificate providers that rate limit requests for Online Certificate Status Protocol (OCSP) and certificate revocation list (CRL) checks. This happens when multiple users connect to GlobalProtect Portals from a single public IP (such as NAT) around the same time, such as when hundreds or thousands of end users connect around the start of a workday from a single office.\u003cbr\u003e\u003c/p\u003e"
            }
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          "value": "This issue is fixed in GlobalProtect app 6.2.1-c31 on Linux, GlobalProtect app 6.2.6 on Windows, GlobalProtect app 6.2.6-c857 on macOS, GlobalProtect app 6.3.2 on Windows and macOS, and all later GlobalProtect app versions. Additional fixes are under development and will be made available for the remaining platforms (Linux, iOS, and Android).\n\nThe fix for this vulnerability requires three steps:\n  *  Ensure that all of your GlobalProtect portals use TLS certificate chains that meet the criteria specified in the \"FIPS-CC Certification Validation\" table in  our documentation https://docs.paloaltonetworks.com/globalprotect/10-1/globalprotect-admin/certifications/resolve-fips-cc-mode-issues .\n  *  Ensure that the TLS certificate chains used by the GlobalProtect portals are added to the root certificate store in your operating system.\n  *  Install a fixed version of GlobalProtect using one of the deployment options below. This setting enforces strict X.509v3 verification checks on the certificate provided by the GlobalProtect portal.\n\nNote: Prisma Access customers using portals with a *.gpcloudservice.com domain name already have valid TLS certificate chains. The root certificate for these portals is from GoDaddy, which is trusted by default in Windows, macOS, RHEL, Ubuntu, iOS, and Android. Therefore, Prisma Access customers using a GlobalProtect portal with a *.gpcloudservice.com domain name should only need to perform step 3 above.\n\nImportant: If your GlobalProtect portals do not use valid X.509V3 TLS certificate chains, this will result in TLS verification failures. To generate a GlobalProtect portal certificate that can be used with a fixed version of GlobalProtect app, refer to the first \"FIPS-CC Certification Validation\" table in  our documentation https://docs.paloaltonetworks.com/globalprotect/10-1/globalprotect-admin/certifications/resolve-fips-cc-mode-issues .\n\n\nWarning: Performance Concern: Some customers reported problems connecting to Portals and Gateways when this solution was implemented in certain situations. This is due to certificate providers that rate limit requests for Online Certificate Status Protocol (OCSP) and certificate revocation list (CRL) checks. This happens when multiple users connect to GlobalProtect Portals from a single public IP (such as NAT) around the same time, such as when hundreds or thousands of end users connect around the start of a workday from a single office."
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        "discovery": "EXTERNAL"
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      "timeline": [
        {
          "lang": "en",
          "time": "2025-02-20T22:20:00.000Z",
          "value": "Updated fix availability for 6.2.1 on Linux and solutions section to provide steps needed for Linux"
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          "lang": "en",
          "time": "2025-02-05T16:25:00.000Z",
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        {
          "lang": "en",
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        {
          "lang": "en",
          "time": "2024-11-27T03:35:00.000Z",
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        {
          "lang": "en",
          "time": "2024-11-26T20:15:00.000Z",
          "value": "Clarified impact, solution, and added frequently asked questions"
        },
        {
          "lang": "en",
          "time": "2024-11-26T02:45:00.000Z",
          "value": "Initial publication"
        }
      ],
      "title": "GlobalProtect App: Insufficient Certificate Validation Leads to Privilege Escalation",
      "workarounds": [
        {
          "lang": "en",
          "supportingMedia": [
            {
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              "type": "text/html",
              "value": "\u003cp\u003eYou can mitigate this issue for all platforms (\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://docs.paloaltonetworks.com/globalprotect/10-1/globalprotect-admin/certifications/enable-and-verify-fips-cc-mode/enable-fips-cc-mode-using-the-windows-registry\"\u003eWindows\u003c/a\u003e, \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://docs.paloaltonetworks.com/globalprotect/10-1/globalprotect-admin/certifications/enable-and-verify-fips-cc-mode/enable-fips-cc-mode-using-the-macos-property-list\"\u003emacOS\u003c/a\u003e, \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://docs.paloaltonetworks.com/globalprotect/10-1/globalprotect-admin/certifications/enable-and-verify-fips-cc-mode/enable-fips-cc-mode-on-linux-endpoints-redhat\"\u003eLinux\u003c/a\u003e, \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://docs.paloaltonetworks.com/globalprotect/10-1/globalprotect-admin/certifications/enable-and-verify-fips-cc-mode/enable-and-verify-fips-cc-mode-using-workspaceone-on-ios-devices\"\u003eiOS\u003c/a\u003e, \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://docs.paloaltonetworks.com/globalprotect/10-1/globalprotect-admin/certifications/enable-and-verify-fips-cc-mode/enable-and-verify-fips-cc-mode-using-microsoft-intune-on-android-endpoints\"\u003eAndroid\u003c/a\u003e) by using the GlobalProtect app 6.0 in FIPS-CC mode or GlobalProtect app 5.1 in FIPS-CC mode. For details, refer to the first \"FIPS-CC Certification Validation\" table in \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://docs.paloaltonetworks.com/globalprotect/10-1/globalprotect-admin/certifications/resolve-fips-cc-mode-issues\"\u003eour documentation\u003c/a\u003e.\u003c/p\u003e\u003cp\u003eNote: this is separate from any FIPS-CC configurations on any GlobalProtect portals or gateways. This workaround is specific to FIPS-CC mode on the GlobalProtect app. GlobalProtect portals or gateways do not need to use FIPS-CC mode as part of this workaround.\u003c/p\u003e"
            }
          ],
          "value": "You can mitigate this issue for all platforms ( Windows https://docs.paloaltonetworks.com/globalprotect/10-1/globalprotect-admin/certifications/enable-and-verify-fips-cc-mode/enable-fips-cc-mode-using-the-windows-registry ,  macOS https://docs.paloaltonetworks.com/globalprotect/10-1/globalprotect-admin/certifications/enable-and-verify-fips-cc-mode/enable-fips-cc-mode-using-the-macos-property-list ,  Linux https://docs.paloaltonetworks.com/globalprotect/10-1/globalprotect-admin/certifications/enable-and-verify-fips-cc-mode/enable-fips-cc-mode-on-linux-endpoints-redhat ,  iOS https://docs.paloaltonetworks.com/globalprotect/10-1/globalprotect-admin/certifications/enable-and-verify-fips-cc-mode/enable-and-verify-fips-cc-mode-using-workspaceone-on-ios-devices ,  Android https://docs.paloaltonetworks.com/globalprotect/10-1/globalprotect-admin/certifications/enable-and-verify-fips-cc-mode/enable-and-verify-fips-cc-mode-using-microsoft-intune-on-android-endpoints ) by using the GlobalProtect app 6.0 in FIPS-CC mode or GlobalProtect app 5.1 in FIPS-CC mode. For details, refer to the first \"FIPS-CC Certification Validation\" table in  our documentation https://docs.paloaltonetworks.com/globalprotect/10-1/globalprotect-admin/certifications/resolve-fips-cc-mode-issues .\n\nNote: this is separate from any FIPS-CC configurations on any GlobalProtect portals or gateways. This workaround is specific to FIPS-CC mode on the GlobalProtect app. GlobalProtect portals or gateways do not need to use FIPS-CC mode as part of this workaround."
        }
      ],
      "x_affectedList": [
        "GlobalProtect App 6.3.1",
        "GlobalProtect App 6.3.0",
        "GlobalProtect App 6.3",
        "GlobalProtect App 6.2.4",
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        "GlobalProtect App 6.2.2",
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  },
  "cveMetadata": {
    "assignerOrgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0",
    "assignerShortName": "palo_alto",
    "cveId": "CVE-2024-5921",
    "datePublished": "2024-11-27T03:50:13.596Z",
    "dateReserved": "2024-06-12T15:27:58.017Z",
    "dateUpdated": "2025-02-20T22:30:01.359Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-CCR5-HMVM-37Q5

CVE-2024-5921 (GCVE-0-2024-5921)

Tags

Sightings

Nomenclature