CVE-2021-39211 (GCVE-0-2021-39211)

Vulnerability from cvelistv5 – Published: 2021-09-15 16:55 – Updated: 2024-08-04 01:58
VLAI Shadowserver KEVIntel
Title
Disclosure of GLPI and server information in telemetry endpoint
Summary
GLPI is a free Asset and IT management software package. Starting in version 9.2 and prior to version 9.5.6, the telemetry endpoint discloses GLPI and server information. This issue is fixed in version 9.5.6. As a workaround, remove the file `ajax/telemetry.php`, which is not needed for usual functions of GLPI.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
Impacted products
Vendor Product Version
glpi-project glpi Affected: >= 9.2, < 9.5.6
Create a notification for this product.
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: ad37b9fa-e724-497a-93cf-dc840e8c30b5

Vulnerability ID: CVE-2021-39211

Status: Confirmed

Status Updated: 2026-06-30 00:00 UTC

Exploited: Yes

Characteristics
Severity: 53.0
Timestamps
First Seen: 2023-10-18
Asserted: 2023-10-18
Last Seen: 2026-06-30
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: GLPI / GLPI | Class: device-management-platform | Severity: Medium (CVSS 5.3) | IoT: no | In CISA KEV: no | Honeypot connections on 2026-06-30: 1
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class device-management-platform
7D Avg 0
Vendor GLPI
30D Avg 0
90D Avg 0
Product GLPI
Cisa Kev no
Connections 1
Observation Date 2026-06-30
Vulnerability Class CVSS
Vulnerability Score 5.3
Vulnerability Severity Medium
References
Created: 2026-06-30 09:23 UTC | Updated: 2026-07-02 01:01 UTC
KEVIntel
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 5a194536-9ded-4ef1-99be-cdbb387e4027

Vulnerability ID: CVE-2021-39211

Status: Confirmed

Status Updated: 2021-09-15 16:55 UTC

Exploited: Yes

Timestamps
First Seen: 2021-09-15
Asserted: 2021-09-15
Scope
Notes: KEVIntel entry: Disclosure of GLPI and server information in telemetry endpoint | Affected: glpi-project / glpi | CVSS: 5.3 (MEDIUM) | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title Disclosure of GLPI and server information in telemetry endpoint
Vendor glpi-project
Product glpi
Added Date 2021-09-15T16:55:10.000Z
Cvss Score 5.3
Epss Score None
Cvss Severity MEDIUM
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-06-23 14:06 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T01:58:18.247Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/glpi-project/glpi/releases/tag/9.5.6"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/glpi-project/glpi/security/advisories/GHSA-xx66-v3g5-w825"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "glpi",
          "vendor": "glpi-project",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 9.2, \u003c 9.5.6"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "GLPI is a free Asset and IT management software package. Starting in version 9.2 and prior to version 9.5.6, the telemetry endpoint discloses GLPI and server information. This issue is fixed in version 9.5.6. As a workaround, remove the file `ajax/telemetry.php`, which is not needed for usual functions of GLPI."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-200",
              "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-15T16:55:10.000Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/glpi-project/glpi/releases/tag/9.5.6"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/glpi-project/glpi/security/advisories/GHSA-xx66-v3g5-w825"
        }
      ],
      "source": {
        "advisory": "GHSA-xx66-v3g5-w825",
        "discovery": "UNKNOWN"
      },
      "title": "Disclosure of GLPI and server information in telemetry endpoint",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2021-39211",
          "STATE": "PUBLIC",
          "TITLE": "Disclosure of GLPI and server information in telemetry endpoint"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "glpi",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003e= 9.2, \u003c 9.5.6"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "glpi-project"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "GLPI is a free Asset and IT management software package. Starting in version 9.2 and prior to version 9.5.6, the telemetry endpoint discloses GLPI and server information. This issue is fixed in version 9.5.6. As a workaround, remove the file `ajax/telemetry.php`, which is not needed for usual functions of GLPI."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/glpi-project/glpi/releases/tag/9.5.6",
              "refsource": "MISC",
              "url": "https://github.com/glpi-project/glpi/releases/tag/9.5.6"
            },
            {
              "name": "https://github.com/glpi-project/glpi/security/advisories/GHSA-xx66-v3g5-w825",
              "refsource": "CONFIRM",
              "url": "https://github.com/glpi-project/glpi/security/advisories/GHSA-xx66-v3g5-w825"
            }
          ]
        },
        "source": {
          "advisory": "GHSA-xx66-v3g5-w825",
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2021-39211",
    "datePublished": "2021-09-15T16:55:10.000Z",
    "dateReserved": "2021-08-16T00:00:00.000Z",
    "dateUpdated": "2024-08-04T01:58:18.247Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-39211",
      "date": "2026-07-10",
      "epss": "0.04699",
      "percentile": "0.90727"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:glpi-project:glpi:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"9.2\", \"versionEndExcluding\": \"9.5.6\", \"matchCriteriaId\": \"27D39680-BCCB-49B6-9465-9D956BCE2DC8\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"GLPI is a free Asset and IT management software package. Starting in version 9.2 and prior to version 9.5.6, the telemetry endpoint discloses GLPI and server information. This issue is fixed in version 9.5.6. As a workaround, remove the file `ajax/telemetry.php`, which is not needed for usual functions of GLPI.\"}, {\"lang\": \"es\", \"value\": \"GLPI es un paquete de software gratuito de administraci\\u00f3n de activos y TI. A partir de la versi\\u00f3n 9.2 y versiones anteriores a 9.5.6, el endpoint de telemetr\\u00eda divulga informaci\\u00f3n de GLPI y del servidor. Este problema es corregido en versi\\u00f3n 9.5.6. Como soluci\\u00f3n, elimine el archivo \\\"ajax/telemetry.php\\\", que no es necesario para las funciones habituales de GLPI\"}]",
      "id": "CVE-2021-39211",
      "lastModified": "2024-11-21T06:18:54.717",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"security-advisories@github.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 1.4}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 1.4}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:N/A:N\", \"baseScore\": 5.0, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-09-15T17:15:10.267",
      "references": "[{\"url\": \"https://github.com/glpi-project/glpi/releases/tag/9.5.6\", \"source\": \"security-advisories@github.com\", \"tags\": [\"Release Notes\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/glpi-project/glpi/security/advisories/GHSA-xx66-v3g5-w825\", \"source\": \"security-advisories@github.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://github.com/glpi-project/glpi/releases/tag/9.5.6\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Release Notes\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/glpi-project/glpi/security/advisories/GHSA-xx66-v3g5-w825\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}]",
      "sourceIdentifier": "security-advisories@github.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"security-advisories@github.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-200\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-39211\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2021-09-15T17:15:10.267\",\"lastModified\":\"2024-11-21T06:18:54.717\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"GLPI is a free Asset and IT management software package. Starting in version 9.2 and prior to version 9.5.6, the telemetry endpoint discloses GLPI and server information. This issue is fixed in version 9.5.6. As a workaround, remove the file `ajax/telemetry.php`, which is not needed for usual functions of GLPI.\"},{\"lang\":\"es\",\"value\":\"GLPI es un paquete de software gratuito de administraci\u00f3n de activos y TI. A partir de la versi\u00f3n 9.2 y versiones anteriores a 9.5.6, el endpoint de telemetr\u00eda divulga informaci\u00f3n de GLPI y del servidor. Este problema es corregido en versi\u00f3n 9.5.6. Como soluci\u00f3n, elimine el archivo \\\"ajax/telemetry.php\\\", que no es necesario para las funciones habituales de GLPI\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:N/A:N\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-200\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:glpi-project:glpi:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.2\",\"versionEndExcluding\":\"9.5.6\",\"matchCriteriaId\":\"27D39680-BCCB-49B6-9465-9D956BCE2DC8\"}]}]}],\"references\":[{\"url\":\"https://github.com/glpi-project/glpi/releases/tag/9.5.6\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/glpi-project/glpi/security/advisories/GHSA-xx66-v3g5-w825\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/glpi-project/glpi/releases/tag/9.5.6\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/glpi-project/glpi/security/advisories/GHSA-xx66-v3g5-w825\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T13:39:37+00:00",
      "cve": "CVE-2021-39211",
      "id": "CVE-2021-39211",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Disclosure of GLPI and server information in telemetry endpoint",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-39211.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.