Vulnerability-Lookup

FKIE_CVE-2023-40143

Vulnerability from fkie_nvd - Published: 2024-02-06 22:16 - Updated: 2026-06-17 06:16

Severity

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

Summary

An attacker with access to the Westermo Lynx web application that has the vulnerable software could introduce arbitrary JavaScript by injecting a cross-site scripting payload into the "forward.0.domain" parameter.

References

	URL	Tags
	ics-cert@hq.dhs.gov	https://www.cisa.gov/news-events/ics-advisories/icsa-24-023-04	Third Party Advisory, US Government Resource
	af854a3a-2127-422b-91ae-364da2661108	https://www.cisa.gov/news-events/ics-advisories/icsa-24-023-04	Third Party Advisory, US Government Resource

Impacted products

	Vendor	Product	Version
	westermo	l206-f2g_firmware	4.24
	westermo	l206-f2g	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Lynx",
          "vendor": "Westermo",
          "versions": [
            {
              "status": "affected",
              "version": "L206-F2G1"
            },
            {
              "status": "affected",
              "version": "4.24"
            }
          ]
        }
      ],
      "source": "ics-cert@hq.dhs.gov"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:westermo:l206-f2g_firmware:4.24:*:*:*:*:*:*:*",
              "matchCriteriaId": "21546B8A-EC2B-40D6-9D18-B3001791C808",
              "vulnerable": true
            }
          ],
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        },
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              "vulnerable": false
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          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "\nAn attacker with access to the Westermo Lynx web application that has the vulnerable software could introduce arbitrary JavaScript by injecting a cross-site scripting payload into the \"forward.0.domain\" parameter.\n\n"
    },
    {
      "lang": "es",
      "value": "Un atacante con acceso a la aplicaci\u00f3n web Westermo Lynx que tiene el software vulnerable podr\u00eda introducir JavaScript arbitrario inyectando un payload de cross-site scripting en el par\u00e1metro \"forward.0.domain\"."
    }
  ],
  "id": "CVE-2023-40143",
  "lastModified": "2026-06-17T06:16:23.973",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
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        "impactScore": 2.5,
        "source": "ics-cert@hq.dhs.gov",
        "type": "Secondary"
      },
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          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
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        "ssvcData": {
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            {
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            },
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          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-02-08T20:40:10.604186Z",
          "version": "2.0.3"
        }
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  },
  "published": "2024-02-06T22:16:13.113",
  "references": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-24-023-04"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov",
  "vulnStatus": "Modified",
  "weaknesses": [
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        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "ics-cert@hq.dhs.gov",
      "type": "Secondary"
    },
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      "description": [
        {
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          "value": "CWE-79"
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2023-40143 (GCVE-0-2023-40143)

Vulnerability from cvelistv5 – Published: 2024-02-06 21:51 – Updated: 2024-08-02 18:24

Title

Westermo Lynx

Summary

Severity

5.4 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-02-08 20:40 UTC

CWE

CWE-79 - Cross-site Scripting

Assigner

icscert icscert root

References

1 reference

URL	Tags
https://www.cisa.gov/news-events/ics-advisories/i…

Impacted products

1 product

Vendor	Product	Version
Westermo	Lynx	Affected: L206-F2G1 Affected: 4.24

Date Public

2024-01-23 21:49

Credits

Aarón Flecha Menéndez, Iván Alonso Álvarez and Víctor Bello Cuevas reported these vulnerabilities to CISA.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-40143",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-02-08T20:40:10.604186Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-07-05T17:20:47.667Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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            "tags": [
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            "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-24-023-04"
          }
        ],
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      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Lynx",
          "vendor": "Westermo",
          "versions": [
            {
              "status": "affected",
              "version": "L206-F2G1"
            },
            {
              "status": "affected",
              "version": "4.24"
            }
          ]
        }
      ],
      "credits": [
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          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
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        }
      ],
      "datePublic": "2024-01-23T21:49:00.000Z",
      "descriptions": [
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          "lang": "en",
          "supportingMedia": [
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              "base64": false,
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            }
          ],
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        "shortName": "icscert"
      },
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          "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-24-023-04"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Westermo Lynx ",
      "workarounds": [
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          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\n\n\u003cp\u003eWestermo recommends following best practices for hardening, such as restricting access, disable unused services (attack surface reduction), etc., to mitigate the reported vulnerabilities.\u0026nbsp;\u0026nbsp;\u003cspan style=\"background-color: var(--wht);\"\u003eThe reported cross-site scripting will be mitigated in a future report.\u003c/span\u003e\u003c/p\u003e\n\n\u003cbr\u003e"
            }
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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.