Vulnerability-Lookup

FKIE_CVE-2018-7921

Vulnerability from fkie_nvd - Published: 2018-09-12 15:29 - Updated: 2026-06-17 02:03

Severity

6.5 (Medium) - CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

Huawei B315s-22 products with software of 21.318.01.00.26 have an information leak vulnerability. Unauthenticated adjacent attackers may exploit this vulnerability to obtain device information.

References

URL	Tags
psirt@huawei.com	https://www.exploit-db.com/exploits/45971/
psirt@huawei.com	https://www.huawei.com/en/psirt/security-notices/huawei-sn-20180903-01-b315s-en	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.exploit-db.com/exploits/45971/
af854a3a-2127-422b-91ae-364da2661108	https://www.huawei.com/en/psirt/security-notices/huawei-sn-20180903-01-b315s-en	Vendor Advisory

Impacted products

	Vendor	Product	Version
	huawei	b315s-22_firmware	21.318.01.00.26
	huawei	b315s-22	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "B315s-22",
          "vendor": "Huawei Technologies Co., Ltd.",
          "versions": [
            {
              "status": "affected",
              "version": "21.318.01.00.26"
            }
          ]
        }
      ],
      "source": "psirt@huawei.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
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              "matchCriteriaId": "E4F201C7-6B7C-4381-AEA5-E0CA8D704A45",
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            }
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              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
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      "operator": "AND"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Huawei B315s-22 products with software of 21.318.01.00.26 have an information leak vulnerability. Unauthenticated adjacent attackers may exploit this vulnerability to obtain device information."
    },
    {
      "lang": "es",
      "value": "Los productos Huawei B315s-22 con software 21.318.01.00.26 tienen una vulnerabilidad de fuga de informaci\u00f3n. Los atacantes adyacentes sin autenticar podr\u00edan explotar esta vulnerabilidad para obtener informaci\u00f3n del dispositivo."
    }
  ],
  "id": "CVE-2018-7921",
  "lastModified": "2026-06-17T02:03:56.950",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "ADJACENT_NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 3.3,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:A/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 6.5,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-09-12T15:29:00.877",
  "references": [
    {
      "source": "psirt@huawei.com",
      "url": "https://www.exploit-db.com/exploits/45971/"
    },
    {
      "source": "psirt@huawei.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.huawei.com/en/psirt/security-notices/huawei-sn-20180903-01-b315s-en"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.exploit-db.com/exploits/45971/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.huawei.com/en/psirt/security-notices/huawei-sn-20180903-01-b315s-en"
    }
  ],
  "sourceIdentifier": "psirt@huawei.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2018-7921 (GCVE-0-2018-7921)

Vulnerability from cvelistv5 – Published: 2018-09-12 15:00 – Updated: 2024-08-05 06:37

Summary

Huawei B315s-22 products with software of 21.318.01.00.26 have an information leak vulnerability. Unauthenticated adjacent attackers may exploit this vulnerability to obtain device information.

Severity

No CVSS data available.

CWE

information leak

Assigner

huawei mitre root

References

2 references

URL	Tags
https://www.exploit-db.com/exploits/45971/	exploitx_refsource_EXPLOIT-DB
https://www.huawei.com/en/psirt/security-notices/…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Huawei Technologies Co., Ltd.	B315s-22	Affected: 21.318.01.00.26

Date Public

2018-09-03 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T06:37:59.642Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            ],
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          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "product": "B315s-22",
          "vendor": "Huawei Technologies Co., Ltd.",
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "information leak",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-12-12T10:57:01.000Z",
        "orgId": "25ac1063-e409-4190-8079-24548c77ea2e",
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        },
        {
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          ],
          "url": "https://www.huawei.com/en/psirt/security-notices/huawei-sn-20180903-01-b315s-en"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "psirt@huawei.com",
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        "affects": {
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            "vendor_data": [
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                    {
                      "product_name": "B315s-22",
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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.