GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2021-32455 (GCVE-0-2021-32455)

Vulnerability from cvelistv5 – Published: 2021-05-17 16:30 – Updated: 2024-09-16 19:14
VLAI
Title
SITEL CAP/PRX vulnerable to a denial of service attack
Summary
SITEL CAP/PRX firmware version 5.2.01, allows an attacker with access to the device´s network to cause a denial of service condition on the device. An attacker could exploit this vulnerability by sending HTTP requests massively.
CWE
  • CWE-400 - Uncontrolled Resource Consumption
References
Impacted products
Vendor Product Version CPE status
SITEL CAP/PRX Affected: 5.2.01
guessed Create a notification for this product.
Date Public
2021-05-13 00:00
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:17:29.505Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.incibe-cert.es/en/early-warning/ics-advisories/sitel-capprx-vulnerable-denial-service-attack"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "CAP/PRX",
          "vendor": "SITEL",
          "versions": [
            {
              "status": "affected",
              "version": "5.2.01"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Industrial Cybersecurity team of S21sec, special mention to Aar\u00f3n Flecha Men\u00e9ndez and Luis Mart\u00edn Liras, as an independent researcher."
        }
      ],
      "datePublic": "2021-05-13T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "SITEL CAP/PRX firmware version 5.2.01, allows an attacker with access to the device\u00b4s network to cause a denial of service condition on the device. An attacker could exploit this vulnerability by sending HTTP requests massively."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400 Uncontrolled Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-05-17T16:30:34.000Z",
        "orgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516",
        "shortName": "INCIBE"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.incibe-cert.es/en/early-warning/ics-advisories/sitel-capprx-vulnerable-denial-service-attack"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "The fix for this vulnerability is available as of version 1.2 of the CAP-PRX-NG platform."
        }
      ],
      "source": {
        "advisory": "INCIBE-2021-0180",
        "discovery": "EXTERNAL"
      },
      "title": "SITEL CAP/PRX vulnerable to a denial of service attack",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve-coordination@incibe.es",
          "DATE_PUBLIC": "2021-05-13T10:00:00.000Z",
          "ID": "CVE-2021-32455",
          "STATE": "PUBLIC",
          "TITLE": "SITEL CAP/PRX vulnerable to a denial of service attack"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "CAP/PRX",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "=",
                            "version_name": "5.2.01",
                            "version_value": "5.2.01"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "SITEL"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Industrial Cybersecurity team of S21sec, special mention to Aar\u00f3n Flecha Men\u00e9ndez and Luis Mart\u00edn Liras, as an independent researcher."
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "SITEL CAP/PRX firmware version 5.2.01, allows an attacker with access to the device\u00b4s network to cause a denial of service condition on the device. An attacker could exploit this vulnerability by sending HTTP requests massively."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-400 Uncontrolled Resource Consumption"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.incibe-cert.es/en/early-warning/ics-advisories/sitel-capprx-vulnerable-denial-service-attack",
              "refsource": "CONFIRM",
              "url": "https://www.incibe-cert.es/en/early-warning/ics-advisories/sitel-capprx-vulnerable-denial-service-attack"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "The fix for this vulnerability is available as of version 1.2 of the CAP-PRX-NG platform."
          }
        ],
        "source": {
          "advisory": "INCIBE-2021-0180",
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516",
    "assignerShortName": "INCIBE",
    "cveId": "CVE-2021-32455",
    "datePublished": "2021-05-17T16:30:34.125Z",
    "dateReserved": "2021-05-07T00:00:00.000Z",
    "dateUpdated": "2024-09-16T19:14:45.136Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-32455",
      "date": "2026-09-17",
      "epss": "0.00357",
      "percentile": "0.29348"
    },
    "fkie_nvd": {
      "configurations": "[{\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:sitel-sa:cap\\\\/prx_firmware:5.2.01:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"68BAF579-93DD-4CC3-AA6D-B96020C3F02B\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:sitel-sa:cap\\\\/prx:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"0B5B8AD2-407A-4663-8422-B27769EFC0C6\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"SITEL CAP/PRX firmware version 5.2.01, allows an attacker with access to the device\\u00b4s network to cause a denial of service condition on the device. An attacker could exploit this vulnerability by sending HTTP requests massively.\"}, {\"lang\": \"es\", \"value\": \"El firmware SITEL CAP/PRX versi\\u00f3n 5.2.01, permite a un atacante con acceso a la red del dispositivo causar una condici\\u00f3n de denegaci\\u00f3n de servicio en el dispositivo.\u0026#xa0;Un atacante podr\\u00eda explotar esta vulnerabilidad mediante el env\\u00edo de peticiones HTTP masivamente\"}]",
      "id": "CVE-2021-32455",
      "lastModified": "2024-11-21T06:07:04.157",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"cve-coordination@incibe.es\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H\", \"baseScore\": 6.8, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"ADJACENT_NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.1, \"impactScore\": 4.7}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"ADJACENT_NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:A/AC:L/Au:N/C:N/I:N/A:C\", \"baseScore\": 6.1, \"accessVector\": \"ADJACENT_NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 6.5, \"impactScore\": 6.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-05-17T17:15:08.693",
      "references": "[{\"url\": \"https://www.incibe-cert.es/en/early-warning/ics-advisories/sitel-capprx-vulnerable-denial-service-attack\", \"source\": \"cve-coordination@incibe.es\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://www.incibe-cert.es/en/early-warning/ics-advisories/sitel-capprx-vulnerable-denial-service-attack\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}]",
      "sourceIdentifier": "cve-coordination@incibe.es",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"cve-coordination@incibe.es\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-400\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-400\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-32455\",\"sourceIdentifier\":\"cve-coordination@incibe.es\",\"published\":\"2021-05-17T17:15:08.693\",\"lastModified\":\"2024-11-21T06:07:04.157\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"SITEL CAP/PRX firmware version 5.2.01, allows an attacker with access to the device\u00b4s network to cause a denial of service condition on the device. An attacker could exploit this vulnerability by sending HTTP requests massively.\"},{\"lang\":\"es\",\"value\":\"El firmware SITEL CAP/PRX versi\u00f3n 5.2.01, permite a un atacante con acceso a la red del dispositivo causar una condici\u00f3n de denegaci\u00f3n de servicio en el dispositivo.\u0026#xa0;Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de peticiones HTTP masivamente\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve-coordination@incibe.es\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H\",\"baseScore\":6.8,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.1,\"impactScore\":4.7},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:A/AC:L/Au:N/C:N/I:N/A:C\",\"baseScore\":6.1,\"accessVector\":\"ADJACENT_NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":6.5,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cve-coordination@incibe.es\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:sitel-sa:cap\\\\/prx_firmware:5.2.01:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"68BAF579-93DD-4CC3-AA6D-B96020C3F02B\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:sitel-sa:cap\\\\/prx:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0B5B8AD2-407A-4663-8422-B27769EFC0C6\"}]}]}],\"references\":[{\"url\":\"https://www.incibe-cert.es/en/early-warning/ics-advisories/sitel-capprx-vulnerable-denial-service-attack\",\"source\":\"cve-coordination@incibe.es\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.incibe-cert.es/en/early-warning/ics-advisories/sitel-capprx-vulnerable-denial-service-attack\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T14:03:57+00:00",
      "cve": "CVE-2021-32455",
      "id": "CVE-2021-32455",
      "initial_release_date": "2021-05-13T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "SITEL CAP/PRX vulnerable to a denial of service attack",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-32455.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…