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

Vulnerability from cvelistv5 – Published: 2015-12-13 02:00 – Updated: 2024-08-06 07:22
VLAI
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.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
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
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",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2015-12-10T00:00:00.000Z",
      "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2016-12-05T14:57:01.000Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "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"
          ],
          "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-dwvr"
        },
        {
          "name": "1034408",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "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"
          ],
          "url": "http://www.securityfocus.com/bid/78876"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "ID": "CVE-2015-6418",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20151210 Cisco Small Business RV Series and SA500 Series Dual WAN VPN Router Generated Key Pair Information Disclosure Vulnerability",
              "refsource": "CISCO",
              "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151210-dwvr"
            },
            {
              "name": "1034408",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1034408"
            },
            {
              "name": "1034409",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1034409"
            },
            {
              "name": "78876",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/78876"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2015-6418",
    "datePublished": "2015-12-13T02:00:00.000Z",
    "dateReserved": "2015-08-17T00:00:00.000Z",
    "dateUpdated": "2024-08-06T07:22:21.131Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2015-6418",
      "date": "2026-10-02",
      "epss": "0.01836",
      "percentile": "0.78179"
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:cisco:sa520:2.2.07:*:*:*:*:*:*:*",
                    "matchCriteriaId": "5242A08F-0736-4FAC-B015-46BBF1115B08",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:sa520w:2.2.07:*:*:*:*:*:*:*",
                    "matchCriteriaId": "F6B17623-8183-4C2C-A1BD-1654200D6AC3",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:cisco:sa540:2.2.07:*:*:*:*:*:*:*",
                    "matchCriteriaId": "C7D2641C-CCFF-411A-96B4-F8823F4B4BA5",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.0.7:*:*:*:*:*:*:*",
                    "matchCriteriaId": "8C8A650F-4509-4632-92D3-72C412A49012",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.2.8:*:*:*:*:*:*:*",
                    "matchCriteriaId": "FC822B95-469E-4DB8-A1C0-B4AAA3D3644F",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:cisco:rv016_multi-wan_vpn_firmware:4.0.5.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "487B2A80-30AD-45F8-A46D-21E04888F3EA",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:cisco:rv042_dual_wan_vpn_router_firmware:4.0.2.8:*:*:*:*:*:*:*",
                    "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",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.2.2.7:*:*:*:*:*:*:*",
                    "matchCriteriaId": "F5F4636E-25F8-40E3-909F-CB9B93E290E5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:cisco:rv042g_dual_gigabit_wan_vpn_firmware:4.2.2.8:*:*:*:*:*:*:*",
                    "matchCriteriaId": "FDB96FF7-13B9-482F-85E7-C1C68287CF41",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:cisco:rv082_dual_wan_vpn_router_firmware:4.0.0.7:*:*:*:*:*:*:*",
                    "matchCriteriaId": "CF1CDD04-A345-4982-A055-BBC990873C4D",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:cisco:rv082_dual_wan_vpn_router_firmware:4.0.2.8:*:*:*:*:*:*:*",
                    "matchCriteriaId": "1C92A1CD-5AE8-421E-A813-A2738219B673",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "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": "2026-05-06T22:30:45.220",
        "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"
          }
        ]
      }
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



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.