Vulnerability-Lookup

FKIE_CVE-2015-6418

Vulnerability from fkie_nvd - Published: 2015-12-13 03:59 - Updated: 2026-06-17 00:30

Severity

Summary

The random-number generator on Cisco Small Business RV routers 4.x and SA500 security appliances 2.2.07 does not have sufficient entropy, which makes it easier for remote attackers to determine a TLS key pair via unspecified computations upon handshake key-exchange data, aka Bug ID CSCus15224.

References

URL	Tags
psirt@cisco.com	http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-dwvr	Vendor Advisory
psirt@cisco.com	http://www.securityfocus.com/bid/78876
psirt@cisco.com	http://www.securitytracker.com/id/1034408
psirt@cisco.com	http://www.securitytracker.com/id/1034409
af854a3a-2127-422b-91ae-364da2661108	http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-dwvr	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/78876
af854a3a-2127-422b-91ae-364da2661108	http://www.securitytracker.com/id/1034408
af854a3a-2127-422b-91ae-364da2661108	http://www.securitytracker.com/id/1034409

Impacted products

Vendor	Product	Version
cisco	sa520	2.2.07
cisco	sa520w	2.2.07
cisco	sa540	2.2.07
cisco	rv016_multi-wan_vpn_firmware	4.0.0.7
cisco	rv016_multi-wan_vpn_firmware	4.0.2.8
cisco	rv016_multi-wan_vpn_firmware	4.0.5.0
cisco	rv042_dual_wan_vpn_router_firmware	4.0.2.8
cisco	rv042g_dual_gigabit_wan_vpn_firmware	4.0.0.7
cisco	rv042g_dual_gigabit_wan_vpn_firmware	4.2.2.7
cisco	rv042g_dual_gigabit_wan_vpn_firmware	4.2.2.8
cisco	rv082_dual_wan_vpn_router_firmware	4.0.0.7
cisco	rv082_dual_wan_vpn_router_firmware	4.0.2.8

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "psirt@cisco.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
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              "vulnerable": true
            },
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            },
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              "matchCriteriaId": "8C8A650F-4509-4632-92D3-72C412A49012",
              "vulnerable": true
            },
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              "matchCriteriaId": "FC822B95-469E-4DB8-A1C0-B4AAA3D3644F",
              "vulnerable": true
            },
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              "matchCriteriaId": "487B2A80-30AD-45F8-A46D-21E04888F3EA",
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              "matchCriteriaId": "00D012E7-A12E-44ED-8173-C8B254902886",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.0.0.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "303C48D9-1069-486B-8933-F51DFC82EDAC",
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            },
            {
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              "matchCriteriaId": "F5F4636E-25F8-40E3-909F-CB9B93E290E5",
              "vulnerable": true
            },
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The random-number generator on Cisco Small Business RV routers 4.x and SA500 security appliances 2.2.07 does not have sufficient entropy, which makes it easier for remote attackers to determine a TLS key pair via unspecified computations upon handshake key-exchange data, aka Bug ID CSCus15224."
    },
    {
      "lang": "es",
      "value": "El generador de n\u00famero aleatorio en routers Cisco Small Business RV 4.x y dispositivos de seguridad SA500 2.2.07 no tiene suficiente entrop\u00eda, lo que hace que sea m\u00e1s f\u00e1cil para atacantes remotos determinar un par de claves TLS a trav\u00e9s de computaciones no especificadas sobre datos de intercambio de clave en el apret\u00f3n de manos, tambi\u00e9n conocido como Bug ID CSCus15224."
    }
  ],
  "id": "CVE-2015-6418",
  "lastModified": "2026-06-17T00:30:51.690",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2015-12-13T03:59:09.477",
  "references": [
    {
      "source": "psirt@cisco.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-dwvr"
    },
    {
      "source": "psirt@cisco.com",
      "url": "http://www.securityfocus.com/bid/78876"
    },
    {
      "source": "psirt@cisco.com",
      "url": "http://www.securitytracker.com/id/1034408"
    },
    {
      "source": "psirt@cisco.com",
      "url": "http://www.securitytracker.com/id/1034409"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-dwvr"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/78876"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1034408"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1034409"
    }
  ],
  "sourceIdentifier": "psirt@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2015-6418 (GCVE-0-2015-6418)

Vulnerability from cvelistv5 – Published: 2015-12-13 02:00 – Updated: 2024-08-06 07:22

Summary

Severity

No CVSS data available.

CWE

Assigner

cisco mitre root Scorecard

References

4 references

URL	Tags
http://tools.cisco.com/security/center/content/Ci…	vendor-advisoryx_refsource_CISCO
http://www.securitytracker.com/id/1034408	vdb-entryx_refsource_SECTRACK
http://www.securitytracker.com/id/1034409	vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/78876	vdb-entryx_refsource_BID

Date Public

2015-12-10 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T07:22:21.131Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20151210 Cisco Small Business RV Series and SA500 Series Dual WAN VPN Router Generated Key Pair Information Disclosure Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-dwvr"
          },
          {
            "name": "1034408",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1034408"
          },
          {
            "name": "1034409",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1034409"
          },
          {
            "name": "78876",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/78876"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
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            }
          ]
        }
      ],
      "datePublic": "2015-12-10T00:00:00.000Z",
      "descriptions": [
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          "lang": "en",
          "value": "The random-number generator on Cisco Small Business RV routers 4.x and SA500 security appliances 2.2.07 does not have sufficient entropy, which makes it easier for remote attackers to determine a TLS key pair via unspecified computations upon handshake key-exchange data, aka Bug ID CSCus15224."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2016-12-05T14:57:01.000Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
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        },
        {
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          "tags": [
            "vdb-entry",
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          ],
          "url": "http://www.securitytracker.com/id/1034408"
        },
        {
          "name": "1034409",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1034409"
        },
        {
          "name": "78876",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
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        "affects": {
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    "dateUpdated": "2024-08-06T07:22:21.131Z",
    "state": "PUBLISHED"
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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.

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.

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FKIE_CVE-2015-6418

CVE-2015-6418 (GCVE-0-2015-6418)

Tags

Sightings

Nomenclature

Related by attack behaviour