Vulnerability-Lookup

VAR-202004-2196

Vulnerability from variot - Updated: 2024-11-23 20:33

A privilege escalation vulnerability in Juniper Networks Junos OS devices configured with dual Routing Engines (RE), Virtual Chassis (VC) or high-availability cluster may allow a local authenticated low-privileged user with access to the shell to perform unauthorized configuration modification. This issue does not affect Junos OS device with single RE or stand-alone configuration. This issue affects Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S14; 12.3X48 versions prior to 12.3X48-D86, 12.3X48-D90; 14.1X53 versions prior to 14.1X53-D51; 15.1 versions prior to 15.1R7-S6; 15.1X49 versions prior to 15.1X49-D181, 15.1X49-D190; 15.1X53 versions prior to 15.1X53-D592; 16.1 versions prior to 16.1R4-S13, 16.1R7-S6; 16.2 versions prior to 16.2R2-S10; 17.1 versions prior to 17.1R2-S11, 17.1R3-S1; 17.2 versions prior to 17.2R1-S9, 17.2R3-S3; 17.3 versions prior to 17.3R3-S6; 17.4 versions prior to 17.4R2-S6, 17.4R3; 18.1 versions prior to 18.1R3-S7; 18.2 versions prior to 18.2R2-S5, 18.2R3-S1; 18.2 versions prior to 18.2X75-D12, 18.2X75-D33, 18.2X75-D420, 18.2X75-D60, 18.2X75-D411; 18.3 versions prior to 18.3R1-S5, 18.3R2-S1, 18.3R3; 18.4 versions prior to 18.4R1-S4, 18.4R2-S1, 18.4R3; 19.1 versions prior to 19.1R1-S2, 19.1R2; 19.2 versions prior to 19.2R1-S1, 19.2R2. Juniper Networks Junos OS Exists in a privilege management vulnerability.Information may be tampered with. The operating system provides a secure programming interface and Junos SDK. An attacker could exploit this vulnerability via a specially crafted request to gain access to a shell and perform unauthorized configuration modifications. The following products and versions are affected: Juniper Networks Junos OS Release 12.3, Release 12.3X48, Release 14.1X53, Release 15.1, Release 15.1X49, Release 16.1, Release 16.2, Release 17.1, Release 17.2, Release 17.2X75, Release 17.3, Release 17.4 , Version 18.1, Version 18.2, Version 18.3, Version 18.4, Version 19.1, Version 19.2

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CVE-2020-1630 (GCVE-0-2020-1630)

Vulnerability from cvelistv5 – Published: 2020-04-08 19:26 – Updated: 2024-09-16 22:20

Title

Junos OS: Privilege escalation vulnerability in dual REs, VC or HA cluster may allow unauthorized configuration change.

Summary

Severity

5 (Medium)


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

CWE

CWE-264 - Permissions, Privileges, and Access Controls
CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Assigner

juniper mitre root

References

1 reference

URL	Tags
https://kb.juniper.net/JSA11010	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Juniper Networks	Junos OS	Affected: 12.3 , < 12.3R12-S14 (custom) Affected: 12.3X48 , < 12.3X48-D86, 12.3X48-D90 (custom) Affected: 14.1X53 , < 14.1X53-D51 (custom) Affected: 15.1 , < 15.1R7-S6 (custom) Affected: 15.1X49 , < 15.1X49-D181, 15.1X49-D190 (custom) Affected: 15.1X53 , < 15.1X53-D592 (custom) Affected: 16.1 , < 16.1R4-S13, 16.1R7-S6 (custom) Affected: 16.2 , < 16.2R2-S10 (custom) Affected: 17.1 , < 17.1R2-S11, 17.1R3-S1 (custom) Affected: 17.2 , < 17.2R1-S9, 17.2R3-S3 (custom) Affected: 17.3 , < 17.3R3-S6 (custom) Affected: 17.4 , < 17.4R2-S6, 17.4R3 (custom) Affected: 18.1 , < 18.1R3-S7 (custom) Affected: 18.2 , < 18.2R2-S5, 18.2R3-S1 (custom) Affected: 18.3 , < 18.3R1-S5, 18.3R2-S1, 18.3R3 (custom) Affected: 18.4 , < 18.4R1-S4, 18.4R2-S1, 18.4R3 (custom) Affected: 19.1 , < 19.1R1-S2, 19.1R2 (custom) Affected: 19.2 , < 19.2R1-S1, 19.2R2 (custom)

Date Public

2020-04-08 00:00

Show details on NVD website

JSON

To clipboard

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              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://kb.juniper.net/JSA11010",
              "refsource": "CONFIRM",
              "url": "https://kb.juniper.net/JSA11010"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "The following software releases have been updated to resolve this specific issue: 12.3R12-S14, 12.3X48-D86, 12.3X48-D90, 14.1X53-D51, 15.1R7-S6, 15.1X49-D181, 15.1X49-D190, 15.1X53-D592, 16.1R4-S13, 16.1R7-S6, 16.2R2-S10, 17.1R2-S11, 17.1R3-S1, 17.2R1-S9, 17.2R3-S3, 17.2X75-D110, 17.2X75-D44, 17.3R3-S6, 17.4R2-S6, 17.4R3, 18.1R3-S7, 18.2R2-S5, 18.2R3-S1, 18.2X75-D12, 18.2X75-D33, 18.2X75-D411, 18.2X75-D420, 18.2X75-D60, 18.3R1-S5, 18.3R1-S6, 18.3R2-S1, 18.3R2-S3, 18.3R3, 18.4R1-S4, 18.4R1-S5, 18.4R2-S1, 18.4R3, 19.1R1-S2, 19.1R2, 19.2R1-S1, 19.2R2, 19.3R1, and all subsequent releases."
          }
        ],
        "source": {
          "advisory": "JSA11010",
          "defect": [
            "1441795"
          ],
          "discovery": "INTERNAL"
        },
        "work_around": [
          {
            "lang": "en",
            "value": "Disallow unprivileged authenticated users access to Junos shell.\nLimit shell access to only trusted administrators."
          }
        ]
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
    "assignerShortName": "juniper",
    "cveId": "CVE-2020-1630",
    "datePublished": "2020-04-08T19:26:00.259Z",
    "dateReserved": "2019-11-04T00:00:00.000Z",
    "dateUpdated": "2024-09-16T22:20:19.457Z",
    "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.