Vulnerability-Lookup

FKIE_CVE-2021-32455

Vulnerability from fkie_nvd - Published: 2021-05-17 17:15 - Updated: 2026-06-17 03:52

Severity

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

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.

References

	URL	Tags
	cve-coordination@incibe.es	https://www.incibe-cert.es/en/early-warning/ics-advisories/sitel-capprx-vulnerable-denial-service-attack	Third Party Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://www.incibe-cert.es/en/early-warning/ics-advisories/sitel-capprx-vulnerable-denial-service-attack	Third Party Advisory

Impacted products

	Vendor	Product	Version
	sitel-sa	cap\/prx_firmware	5.2.01
	sitel-sa	cap\/prx	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "CAP/PRX",
          "vendor": "SITEL",
          "versions": [
            {
              "status": "affected",
              "version": "5.2.01"
            }
          ]
        }
      ],
      "source": "cve-coordination@incibe.es"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:sitel-sa:cap\\/prx_firmware:5.2.01:*:*:*:*:*:*:*",
              "matchCriteriaId": "68BAF579-93DD-4CC3-AA6D-B96020C3F02B",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:sitel-sa:cap\\/prx:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "0B5B8AD2-407A-4663-8422-B27769EFC0C6",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "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"
    }
  ],
  "id": "CVE-2021-32455",
  "lastModified": "2026-06-17T03:52:58.570",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "ADJACENT_NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.1,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 6.5,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 4.7,
        "source": "cve-coordination@incibe.es",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-05-17T17:15:08.693",
  "references": [
    {
      "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"
      ],
      "url": "https://www.incibe-cert.es/en/early-warning/ics-advisories/sitel-capprx-vulnerable-denial-service-attack"
    }
  ],
  "sourceIdentifier": "cve-coordination@incibe.es",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ],
      "source": "cve-coordination@incibe.es",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

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

Vulnerability from cvelistv5 – Published: 2021-05-17 16:30 – Updated: 2024-09-16 19:14

Title

SITEL CAP/PRX vulnerable to a denial of service attack

Summary

Severity

6.8 (Medium)


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

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

INCIBE INCIBE root

References

1 reference

URL	Tags
https://www.incibe-cert.es/en/early-warning/ics-a…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
SITEL	CAP/PRX	Affected: 5.2.01

Date Public

2021-05-13 00:00

Credits

Industrial Cybersecurity team of S21sec, special mention to Aarón Flecha Menéndez and Luis Martín Liras, as an independent researcher.

Show details on NVD website

JSON

To clipboard

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        ],
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    ],
    "cna": {
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          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
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      ],
      "solutions": [
        {
          "lang": "en",
          "value": "The fix for this vulnerability is available as of version 1.2 of the CAP-PRX-NG platform."
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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.