Vulnerability-Lookup

FKIE_CVE-2021-27769

Vulnerability from fkie_nvd - Published: 2022-05-12 22:15 - Updated: 2026-06-17 03:45

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Summary

Information leakage occurs when a website reveals information that could aid an attacker to further exploit the system. This information may or may not be sensitive and does not automatically mean a breach is likely to occur. Overall, any information that could be used for an attack should be limited whenever possible.

References

	URL	Tags
	psirt@hcl.com	https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430	Vendor Advisory

Impacted products

	Vendor	Product	Version
	hcltech	sametime	11.6

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Sametime",
          "vendor": "HCL Software",
          "versions": [
            {
              "status": "affected",
              "version": "11.6"
            }
          ]
        }
      ],
      "source": "psirt@hcl.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:hcltech:sametime:11.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "0B6E07B1-4DD8-4D9C-8DC1-063FEAD8BA52",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Information leakage occurs when a website reveals information that could aid an attacker to further exploit the system. This information may or may not be sensitive and does not automatically mean a breach is likely to occur. Overall, any information that could be used for an attack should be limited whenever possible."
    },
    {
      "lang": "es",
      "value": "Un filtrado de informaci\u00f3n es producido cuando un sitio web revela informaci\u00f3n que podr\u00eda ayudar a un atacante a seguir explotando el sistema. Esta informaci\u00f3n puede ser o no confidencial y no significa autom\u00e1ticamente que sea producida una brecha. En general, cualquier informaci\u00f3n que pueda ser usada para un ataque debe ser limitada siempre que sea posible"
    }
  ],
  "id": "CVE-2021-27769",
  "lastModified": "2026-06-17T03:45:25.573",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "psirt@hcl.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-05-12T22:15:11.760",
  "references": [
    {
      "source": "psirt@hcl.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.hcltechsw.com/csm?id=kb_article\u0026sysparm_article=KB0097430"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.hcltechsw.com/csm?id=kb_article\u0026sysparm_article=KB0097430"
    }
  ],
  "sourceIdentifier": "psirt@hcl.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-472"
        }
      ],
      "source": "psirt@hcl.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2021-27769 (GCVE-0-2021-27769)

Vulnerability from cvelistv5 – Published: 2022-05-12 21:25 – Updated: 2024-09-16 16:52

Title

HCL Sametime is vulnerable to an information disclosure

Summary

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-472 - External Control of Assumed-Immutable Web Parameter

Assigner

HCL mitre root

References

1 reference

URL	Tags
https://support.hcltechsw.com/csm?id=kb_article&s…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
HCL Software	Sametime	Affected: 11.6

Date Public

2022-04-15 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T21:26:10.786Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.hcltechsw.com/csm?id=kb_article\u0026sysparm_article=KB0097430"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Sametime",
          "vendor": "HCL Software",
          "versions": [
            {
              "status": "affected",
              "version": "11.6"
            }
          ]
        }
      ],
      "datePublic": "2022-04-15T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Information leakage occurs when a website reveals information that could aid an attacker to further exploit the system. This information may or may not be sensitive and does not automatically mean a breach is likely to occur. Overall, any information that could be used for an attack should be limited whenever possible."
        }
      ],
      "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-472",
              "description": "CWE-472 External Control of Assumed-Immutable Web Parameter",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-05-12T21:25:23.000Z",
        "orgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc",
        "shortName": "HCL"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.hcltechsw.com/csm?id=kb_article\u0026sysparm_article=KB0097430"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "HCL Sametime is vulnerable to an information disclosure",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@hcl.com",
          "DATE_PUBLIC": "2022-04-15T00:00:00.000Z",
          "ID": "CVE-2021-27769",
          "STATE": "PUBLIC",
          "TITLE": "HCL Sametime is vulnerable to an information disclosure"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Sametime",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "11.6"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "HCL Software"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Information leakage occurs when a website reveals information that could aid an attacker to further exploit the system. This information may or may not be sensitive and does not automatically mean a breach is likely to occur. Overall, any information that could be used for an attack should be limited whenever possible."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "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-472 External Control of Assumed-Immutable Web Parameter"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://support.hcltechsw.com/csm?id=kb_article\u0026sysparm_article=KB0097430",
              "refsource": "MISC",
              "url": "https://support.hcltechsw.com/csm?id=kb_article\u0026sysparm_article=KB0097430"
            }
          ]
        },
        "source": {
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc",
    "assignerShortName": "HCL",
    "cveId": "CVE-2021-27769",
    "datePublished": "2022-05-12T21:25:24.050Z",
    "dateReserved": "2021-02-26T00:00:00.000Z",
    "dateUpdated": "2024-09-16T16:52:51.973Z",
    "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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.