Vulnerability-Lookup

FKIE_CVE-2022-3703

Vulnerability from fkie_nvd - Published: 2022-11-10 22:15 - Updated: 2026-06-17 05:00

Severity

7.6 (High) - CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Summary

All versions of ETIC Telecom Remote Access Server (RAS) 4.5.0 and prior’s web portal is vulnerable to accepting malicious firmware packages that could provide a backdoor to an attacker and provide privilege escalation to the device.

References

	URL	Tags
	ics-cert@hq.dhs.gov	https://www.cisa.gov/uscert/ics/advisories/icsa-22-307-01	Patch, Third Party Advisory, US Government Resource
	af854a3a-2127-422b-91ae-364da2661108	https://www.cisa.gov/uscert/ics/advisories/icsa-22-307-01	Patch, Third Party Advisory, US Government Resource

Impacted products

Vendor	Product	Version
etictelecom	remote_access_server_firmware	*
etictelecom	ras-c-100-lw	-
etictelecom	ras-e-100	-
etictelecom	ras-e-220	-
etictelecom	ras-e-400	-
etictelecom	ras-ec-220-lw	-
etictelecom	ras-ec-400-lw	-
etictelecom	ras-ec-480-lw	-
etictelecom	ras-ecw-220-lw	-
etictelecom	ras-ecw-400-lw	-
etictelecom	ras-ew-100	-
etictelecom	ras-ew-220	-
etictelecom	ras-ew-400	-
etictelecom	rfm-e	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Remote Access Server (RAS)",
          "vendor": "ETIC Telecom",
          "versions": [
            {
              "lessThanOrEqual": "4.5.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "ics-cert@hq.dhs.gov"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:etictelecom:remote_access_server_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7AE4F7CD-BE37-40B5-9A53-39B42CD17EF5",
              "versionEndIncluding": "4.5.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:etictelecom:ras-c-100-lw:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "5DAE45DD-78EE-4ACB-A1E5-C190BE642BDF",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:etictelecom:ras-e-100:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "93F02AE2-6AC3-492E-9E91-E9F0725A1EEB",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:etictelecom:ras-e-220:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "C32ED13F-237B-441C-8032-F54615AEFC73",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:etictelecom:ras-e-400:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "86536932-B27A-4028-829D-2924CD431C54",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:etictelecom:ras-ec-220-lw:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "52E2D325-0AE3-4459-9F27-5CC19349F060",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:etictelecom:ras-ec-400-lw:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "DB8D1AA9-42C0-4546-A02E-91B3D7A8AD4B",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:etictelecom:ras-ec-480-lw:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "50EEA797-3218-44FE-8D93-178C40F4BF17",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:etictelecom:ras-ecw-220-lw:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "E768A79E-BBFD-47C1-8535-1F721D92575C",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:etictelecom:ras-ecw-400-lw:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "F1D86798-3C5F-40A9-BF41-0602F78A027B",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:etictelecom:ras-ew-100:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "D12CC48E-6DAC-4412-9068-04B774540500",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:etictelecom:ras-ew-220:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "7D7A25F4-412A-4D16-922F-1219B86E31A0",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:etictelecom:ras-ew-400:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "32675A39-A1B3-4773-902A-6E6F8A72D16D",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:etictelecom:rfm-e:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "B7543976-5400-4A9E-8E62-CB65FD00D0E1",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "All versions of ETIC Telecom Remote Access Server (RAS) 4.5.0 and prior\u2019s web portal is vulnerable to accepting malicious firmware packages that could provide a backdoor to an attacker and provide privilege escalation to the device."
    },
    {
      "lang": "es",
      "value": "Todas las versiones de ETIC Telecom Remote Access Server (RAS) 4.5.0 y el portal web anterior son vulnerables a aceptar paquetes de firmware maliciosos que podr\u00edan proporcionar backdoor a un atacante y proporcionar una escalada de privilegios al dispositivo."
    }
  ],
  "id": "CVE-2022-3703",
  "lastModified": "2026-06-17T05:00:08.620",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 6.0,
        "source": "ics-cert@hq.dhs.gov",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 10.0,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-3703",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-04-16T17:26:06.575715Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2022-11-10T22:15:14.647",
  "references": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "tags": [
        "Patch",
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-307-01"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-307-01"
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-345"
        }
      ],
      "source": "ics-cert@hq.dhs.gov",
      "type": "Secondary"
    }
  ]
}

CVE-2022-3703 (GCVE-0-2022-3703)

Vulnerability from cvelistv5 – Published: 2022-11-10 21:32 – Updated: 2025-04-16 17:43

Title

ETIC Telecom Remote Access Server Insufficient Verification of Data Authenticity

Summary

Severity

7.6 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-16 17:26 UTC

CWE

CWE-345 - Insufficient Verification of Data Authenticity

Assigner

icscert icscert root

References

1 reference

URL	Tags
https://www.cisa.gov/uscert/ics/advisories/icsa-2…

Impacted products

1 product

Vendor	Product	Version
ETIC Telecom	Remote Access Server (RAS)	Affected: 0 , ≤ 4.5.0 (custom)

Date Public

2022-11-03 06:00

Credits

Haviv Vaizman, Hay Mizrachi, Alik Koldobsky, Ofir Manzur, and Nikolay Sokolik of OTORIO reported these vulnerabilities to CISA

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T01:20:57.038Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-307-01"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-3703",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-16T17:26:06.575715Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-16T17:43:14.326Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Remote Access Server (RAS)",
          "vendor": "ETIC Telecom",
          "versions": [
            {
              "lessThanOrEqual": "4.5.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Haviv Vaizman, Hay Mizrachi, Alik Koldobsky, Ofir Manzur, and Nikolay Sokolik of OTORIO reported these vulnerabilities to CISA"
        }
      ],
      "datePublic": "2022-11-03T06:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eAll versions of ETIC Telecom Remote Access Server (RAS) 4.5.0 and prior\u2019s web portal is vulnerable to accepting malicious firmware packages that could provide a backdoor to an attacker and provide privilege escalation to the device.\u003c/p\u003e"
            }
          ],
          "value": "All versions of ETIC Telecom Remote Access Server (RAS) 4.5.0 and prior\u2019s web portal is vulnerable to accepting malicious firmware packages that could provide a backdoor to an attacker and provide privilege escalation to the device."
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      "metrics": [
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            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
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          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
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      "problemTypes": [
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              "description": "CWE-345 Insufficient Verification of Data Authenticity",
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        "shortName": "icscert"
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      "references": [
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        }
      ],
      "solutions": [
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          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
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              "value": "\u003cp\u003eETIC Telecom recommends updating the firmware of the affected devices to the following versions:\u003cbr\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003e\u003cp\u003eETIC Telecom RAS: \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.etictelecom.com/en/softwares-download/\"\u003eversion 4.7.0 or later\u003c/a\u003e\u003c/p\u003e\u003c/li\u003e\u003c/ul\u003e\u003cp\u003eFor the installed devices, ETIC Telecom recommends:\u003c/p\u003e\u003cul\u003e\u003cli\u003eFor all firmware versions 4.7.0 and above, there is a code signature verification for firmware packages. For versions prior to 4.7.0, to reduce the attack surface, we advise the user to verify: (1) That the downloaded firmware comes from a trusted source (ETIC Telecom web site), and (2) The hash of the firmware files.\u003c/li\u003e\u003c/ul\u003e\n\n\u003cbr\u003e"
            }
          ],
          "value": "ETIC Telecom recommends updating the firmware of the affected devices to the following versions:\n\n\n  *  ETIC Telecom RAS:  version 4.7.0 or later https://www.etictelecom.com/en/softwares-download/ \n\n\n\n\nFor the installed devices, ETIC Telecom recommends:\n\n  *  For all firmware versions 4.7.0 and above, there is a code signature verification for firmware packages. For versions prior to 4.7.0, to reduce the attack surface, we advise the user to verify: (1) That the downloaded firmware comes from a trusted source (ETIC Telecom web site), and (2) The hash of the firmware files."
        }
      ],
      "source": {
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  "cveMetadata": {
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    "assignerShortName": "icscert",
    "cveId": "CVE-2022-3703",
    "datePublished": "2022-11-10T21:32:01.836Z",
    "dateReserved": "2022-10-26T00:00:00.000Z",
    "dateUpdated": "2025-04-16T17:43:14.326Z",
    "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.