Vulnerability-Lookup

CNVD-2015-08307

Vulnerability from cnvd - Published: 2015-12-21

Title

Juniper Networks ScreenOS存在后门漏洞（CNVD-2015-08307）

Description

ScreenOS是美国瞻博网络（Juniper Networks）公司开发的一款操作系统，主要运行在NetScreen系列的防火墙产品。 Juniper Networks ScreenOS存在未授权访问漏洞，攻击者利用漏洞可通过SSH或者telnet远程管理访问设备，并可以改变或删除日志条目。

Severity

高

Patch Name

Juniper Networks ScreenOS存在后门漏洞（CNVD-2015-08307）的补丁

Patch Description

ScreenOS是美国瞻博网络（Juniper Networks）公司开发的一款操作系统，主要运行在NetScreen系列的防火墙产品。 Juniper Networks ScreenOS存在后门，允许攻击者通过SSH或者telnet远程管理访问设备，并可以改变或删除日志条目。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了升级程序修复该漏洞，请及时更新下载： http://www.juniper.net/support/downloads/screenos.html

Reference

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10713&actp=search https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-7755

Impacted products

Name
['Juniper Networks ScreenOS 6.2.0r15-6.2.0r18', 'Juniper Networks ScreenOS 6.3.0r12-6.3.0r20']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-7755"
    }
  },
  "description": "ScreenOS\u662f\u7f8e\u56fd\u77bb\u535a\u7f51\u7edc\uff08Juniper Networks\uff09\u516c\u53f8\u5f00\u53d1\u7684\u4e00\u6b3e\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4e3b\u8981\u8fd0\u884c\u5728NetScreen\u7cfb\u5217\u7684\u9632\u706b\u5899\u4ea7\u54c1\u3002 \r\n\r\nJuniper Networks ScreenOS\u5b58\u5728\u672a\u6388\u6743\u8bbf\u95ee\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u53ef\u901a\u8fc7SSH\u6216\u8005telnet\u8fdc\u7a0b\u7ba1\u7406\u8bbf\u95ee\u8bbe\u5907\uff0c\u5e76\u53ef\u4ee5\u6539\u53d8\u6216\u5220\u9664\u65e5\u5fd7\u6761\u76ee\u3002",
  "discovererName": "Juniper Networks",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u6f0f\u6d1e\uff0c\u8bf7\u53ca\u65f6\u66f4\u65b0\u4e0b\u8f7d\uff1a\r\nhttp://www.juniper.net/support/downloads/screenos.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-08307",
  "openTime": "2015-12-21",
  "patchDescription": "ScreenOS\u662f\u7f8e\u56fd\u77bb\u535a\u7f51\u7edc\uff08Juniper Networks\uff09\u516c\u53f8\u5f00\u53d1\u7684\u4e00\u6b3e\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4e3b\u8981\u8fd0\u884c\u5728NetScreen\u7cfb\u5217\u7684\u9632\u706b\u5899\u4ea7\u54c1\u3002 \r\n\r\nJuniper Networks ScreenOS\u5b58\u5728\u540e\u95e8\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u901a\u8fc7SSH\u6216\u8005telnet\u8fdc\u7a0b\u7ba1\u7406\u8bbf\u95ee\u8bbe\u5907\uff0c\u5e76\u53ef\u4ee5\u6539\u53d8\u6216\u5220\u9664\u65e5\u5fd7\u6761\u76ee\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Juniper Networks ScreenOS\u5b58\u5728\u540e\u95e8\u6f0f\u6d1e\uff08CNVD-2015-08307\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Juniper Networks ScreenOS 6.2.0r15-6.2.0r18",
      "Juniper Networks ScreenOS 6.3.0r12-6.3.0r20"
    ]
  },
  "referenceLink": "http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10713\u0026actp=search\r\nhttps://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-7755",
  "serverity": "\u9ad8",
  "submitTime": "2015-12-21",
  "title": "Juniper Networks ScreenOS\u5b58\u5728\u540e\u95e8\u6f0f\u6d1e\uff08CNVD-2015-08307\uff09"
}

CVE-2015-7755 (GCVE-0-2015-7755)

Vulnerability from cvelistv5 – Published: 2015-12-19 11:00 – Updated: 2025-10-21 23:55

Summary

Juniper ScreenOS 6.2.0r15 through 6.2.0r18, 6.3.0r12 before 6.3.0r12b, 6.3.0r13 before 6.3.0r13b, 6.3.0r14 before 6.3.0r14b, 6.3.0r15 before 6.3.0r15b, 6.3.0r16 before 6.3.0r16b, 6.3.0r17 before 6.3.0r17b, 6.3.0r18 before 6.3.0r18b, 6.3.0r19 before 6.3.0r19b, and 6.3.0r20 before 6.3.0r21 allows remote attackers to obtain administrative access by entering an unspecified password during a (1) SSH or (2) TELNET session.

Severity

9.8 (Critical)


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

SSVC

Exploitation: active Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-10-02 03:55 UTC

CWE

n/a
CWE-287 - Improper Authentication

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2251 records in the last 180 days details

References

12 references

URL	Tags
http://arstechnica.com/security/2015/12/unauthori…
http://www.wired.com/2015/12/juniper-networks-hid…
http://www.securitytracker.com/id/1034489	vdb-entry
http://www.kb.cert.org/vuls/id/640184	third-party-advisory
https://forums.juniper.net/t5/Security-Incident-R…
https://github.com/hdm/juniper-cve-2015-7755
http://kb.juniper.net/InfoCenter/index?page=conte…
http://twitter.com/cryptoron/statuses/67790064756…
https://adamcaudill.com/2015/12/17/much-ado-about…
http://www.forbes.com/sites/thomasbrewster/2015/1…
http://www.securityfocus.com/bid/79626	vdb-entry
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Date Public

2015-12-17 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T07:58:59.950Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://arstechnica.com/security/2015/12/unauthorized-code-in-juniper-firewalls-decrypts-encrypted-vpn-traffic/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/"
          },
          {
            "name": "1034489",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1034489"
          },
          {
            "name": "VU#640184",
            "tags": [
              "third-party-advisory",
              "x_refsource_CERT-VN",
              "x_transferred"
            ],
            "url": "http://www.kb.cert.org/vuls/id/640184"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/hdm/juniper-cve-2015-7755"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10713"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://twitter.com/cryptoron/statuses/677900647560253442"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://adamcaudill.com/2015/12/17/much-ado-about-juniper/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://www.forbes.com/sites/thomasbrewster/2015/12/18/juniper-says-it-didnt-work-with-government-to-add-unauthorized-code-to-network-gear/"
          },
          {
            "name": "79626",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/79626"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2015-7755",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-02T03:55:46.311110Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2025-10-02",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-7755"
              },
              "type": "kev"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-287",
                "description": "CWE-287 Improper Authentication",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-21T23:55:56.610Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "government-resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-7755"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2025-10-02T00:00:00.000Z",
            "value": "CVE-2015-7755 added to CISA KEV"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2015-12-17T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Juniper ScreenOS 6.2.0r15 through 6.2.0r18, 6.3.0r12 before 6.3.0r12b, 6.3.0r13 before 6.3.0r13b, 6.3.0r14 before 6.3.0r14b, 6.3.0r15 before 6.3.0r15b, 6.3.0r16 before 6.3.0r16b, 6.3.0r17 before 6.3.0r17b, 6.3.0r18 before 6.3.0r18b, 6.3.0r19 before 6.3.0r19b, and 6.3.0r20 before 6.3.0r21 allows remote attackers to obtain administrative access by entering an unspecified password during a (1) SSH or (2) TELNET session."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-06T16:48:24.593Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "http://arstechnica.com/security/2015/12/unauthorized-code-in-juniper-firewalls-decrypts-encrypted-vpn-traffic/"
        },
        {
          "url": "http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/"
        },
        {
          "name": "1034489",
          "tags": [
            "vdb-entry"
          ],
          "url": "http://www.securitytracker.com/id/1034489"
        },
        {
          "name": "VU#640184",
          "tags": [
            "third-party-advisory"
          ],
          "url": "http://www.kb.cert.org/vuls/id/640184"
        },
        {
          "url": "https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554"
        },
        {
          "url": "https://github.com/hdm/juniper-cve-2015-7755"
        },
        {
          "url": "http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10713"
        },
        {
          "url": "http://twitter.com/cryptoron/statuses/677900647560253442"
        },
        {
          "url": "https://adamcaudill.com/2015/12/17/much-ado-about-juniper/"
        },
        {
          "url": "http://www.forbes.com/sites/thomasbrewster/2015/12/18/juniper-says-it-didnt-work-with-government-to-add-unauthorized-code-to-network-gear/"
        },
        {
          "name": "79626",
          "tags": [
            "vdb-entry"
          ],
          "url": "http://www.securityfocus.com/bid/79626"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2015-7755",
          "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": "Juniper ScreenOS 6.2.0r15 through 6.2.0r18, 6.3.0r12 before 6.3.0r12b, 6.3.0r13 before 6.3.0r13b, 6.3.0r14 before 6.3.0r14b, 6.3.0r15 before 6.3.0r15b, 6.3.0r16 before 6.3.0r16b, 6.3.0r17 before 6.3.0r17b, 6.3.0r18 before 6.3.0r18b, 6.3.0r19 before 6.3.0r19b, and 6.3.0r20 before 6.3.0r21 allows remote attackers to obtain administrative access by entering an unspecified password during a (1) SSH or (2) TELNET session."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://arstechnica.com/security/2015/12/unauthorized-code-in-juniper-firewalls-decrypts-encrypted-vpn-traffic/",
              "refsource": "MISC",
              "url": "http://arstechnica.com/security/2015/12/unauthorized-code-in-juniper-firewalls-decrypts-encrypted-vpn-traffic/"
            },
            {
              "name": "http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/",
              "refsource": "MISC",
              "url": "http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/"
            },
            {
              "name": "1034489",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1034489"
            },
            {
              "name": "VU#640184",
              "refsource": "CERT-VN",
              "url": "http://www.kb.cert.org/vuls/id/640184"
            },
            {
              "name": "https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554",
              "refsource": "CONFIRM",
              "url": "https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554"
            },
            {
              "name": "https://github.com/hdm/juniper-cve-2015-7755",
              "refsource": "MISC",
              "url": "https://github.com/hdm/juniper-cve-2015-7755"
            },
            {
              "name": "http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10713",
              "refsource": "CONFIRM",
              "url": "http://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10713"
            },
            {
              "name": "http://twitter.com/cryptoron/statuses/677900647560253442",
              "refsource": "MISC",
              "url": "http://twitter.com/cryptoron/statuses/677900647560253442"
            },
            {
              "name": "https://adamcaudill.com/2015/12/17/much-ado-about-juniper/",
              "refsource": "MISC",
              "url": "https://adamcaudill.com/2015/12/17/much-ado-about-juniper/"
            },
            {
              "name": "http://www.forbes.com/sites/thomasbrewster/2015/12/18/juniper-says-it-didnt-work-with-government-to-add-unauthorized-code-to-network-gear/",
              "refsource": "MISC",
              "url": "http://www.forbes.com/sites/thomasbrewster/2015/12/18/juniper-says-it-didnt-work-with-government-to-add-unauthorized-code-to-network-gear/"
            },
            {
              "name": "79626",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/79626"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2015-7755",
    "datePublished": "2015-12-19T11:00:00.000Z",
    "dateReserved": "2015-10-08T00:00:00.000Z",
    "dateUpdated": "2025-10-21T23:55:56.610Z",
    "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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

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.

Action not permitted