Vulnerability-Lookup

FKIE_CVE-2020-7036

Vulnerability from fkie_nvd - Published: 2021-04-23 21:15 - Updated: 2026-06-17 03:24

Severity

8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Summary

An XML External Entities (XXE)vulnerability in Callback Assist could allow an authenticated, remote attacker to gain read access to information that is stored on an affected system. The affected versions of Callback Assist includes all 4.0.x versions before 4.7.1.1 Patch 7.

References

	URL	Tags
	securityalerts@avaya.com	https://downloads.avaya.com/css/P8/documents/101075450	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://downloads.avaya.com/css/P8/documents/101075450	Vendor Advisory

Impacted products

Vendor	Product	Version
avaya	callback_assist	*
avaya	callback_assist	4.7.1.1
avaya	callback_assist	4.7.1.1
avaya	callback_assist	4.7.1.1
avaya	callback_assist	4.7.1.1
avaya	callback_assist	4.7.1.1
avaya	callback_assist	4.7.1.1
avaya	callback_assist	4.7.1.1

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Callback Assist",
          "vendor": "Avaya",
          "versions": [
            {
              "lessThan": "4.7.1.1",
              "status": "affected",
              "version": "4.0.x",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "securityalerts@avaya.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:avaya:callback_assist:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0EEE274C-40A3-4A32-A49F-FC048765D3E7",
              "versionEndExcluding": "4.7.1.1",
              "versionStartIncluding": "4.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:avaya:callback_assist:4.7.1.1:-:*:*:*:*:*:*",
              "matchCriteriaId": "3E4CD687-13D3-4B9A-A381-0DCB330E70A8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:avaya:callback_assist:4.7.1.1:patch1:*:*:*:*:*:*",
              "matchCriteriaId": "ADFF164B-33E9-4B08-8B49-23BE779D3A20",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:avaya:callback_assist:4.7.1.1:patch2:*:*:*:*:*:*",
              "matchCriteriaId": "4FFD00E2-1E17-4FD4-9920-5D9BCFB51C7A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:avaya:callback_assist:4.7.1.1:patch3:*:*:*:*:*:*",
              "matchCriteriaId": "E0DEC261-79BD-4D94-AD45-B99E940A436D",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "B43D5CB2-AE98-4999-8525-5AC3DC046939",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:avaya:callback_assist:4.7.1.1:patch5:*:*:*:*:*:*",
              "matchCriteriaId": "9C3F89D3-02E7-4FFB-89B8-91B84368597B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:avaya:callback_assist:4.7.1.1:patch6:*:*:*:*:*:*",
              "matchCriteriaId": "124184AA-27D4-4094-B419-A67678C42E13",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An XML External Entities (XXE)vulnerability in Callback Assist could allow an authenticated, remote attacker to gain read access to information that is stored on an affected system. The affected versions of Callback Assist includes all 4.0.x versions before 4.7.1.1 Patch 7."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad XML External Entities (XXE) en Callback Assist, podr\u00eda permitir a un atacante remoto autenticado conseguir acceso de lectura a la informaci\u00f3n que es almacenada en un sistema afectado.\u0026#xa0;Las versiones afectadas de Callback Assist incluyen todas las versiones 4.0.x anteriores a 4.7.1.1 Patch 7"
    }
  ],
  "id": "CVE-2020-7036",
  "lastModified": "2026-06-17T03:24:09.190",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 4.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2,
        "source": "securityalerts@avaya.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-04-23T21:15:08.090",
  "references": [
    {
      "source": "securityalerts@avaya.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://downloads.avaya.com/css/P8/documents/101075450"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://downloads.avaya.com/css/P8/documents/101075450"
    }
  ],
  "sourceIdentifier": "securityalerts@avaya.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-611"
        }
      ],
      "source": "securityalerts@avaya.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-611"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2020-7036 (GCVE-0-2020-7036)

Vulnerability from cvelistv5 – Published: 2021-04-23 21:00 – Updated: 2024-09-17 01:45

Title

XXE in Avaya Callback Assist Administration

Summary

Severity

8.1 (High)


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

CWE

CWE-611 - Improper Restriction of XML External Entity Reference

Assigner

avaya mitre root

References

1 reference

URL	Tags
https://downloads.avaya.com/css/P8/documents/101075450	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Avaya	Callback Assist	Affected: 4.0.x , < 4.7.1.1 (custom)

Date Public

2021-04-23 00:00

Show details on NVD website

JSON

To clipboard

{
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          "dateUpdated": "2024-08-04T09:18:02.844Z",
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            ],
            "url": "https://downloads.avaya.com/css/P8/documents/101075450"
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        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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        {
          "product": "Callback Assist",
          "vendor": "Avaya",
          "versions": [
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
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        }
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      ],
      "source": {
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      },
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}

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.