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CVE-2021-0285 Junos OS: QFX5000 Series and EX4600 Series: Continuous traffic destined to a device configured with MC-LAG leading to nodes losing their control connection which can impact traffic

🗓️ 15 Jul 2021 20:00:58Reported by juniperType 
cvelist
 cvelist
🔗 www.cve.org👁 15 Views

Uncontrolled resource consumption vulnerability in Junos OS on QFX5000 Series and EX4600 Series switches can cause unstable control connection between MC-LAG nodes, leading to traffic loss and DoS condition

Related
Affected
Refs
[
  {
    "platforms": [
      "QFX5000 Series and EX4600 Series"
    ],
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "15.1R7-S9",
        "status": "affected",
        "version": "15.1",
        "versionType": "custom"
      },
      {
        "lessThan": "17.3R3-S11",
        "status": "affected",
        "version": "17.3",
        "versionType": "custom"
      },
      {
        "lessThan": "17.4R2-S13, 17.4R3-S5",
        "status": "affected",
        "version": "17.4",
        "versionType": "custom"
      },
      {
        "lessThan": "18.3R3-S5",
        "status": "affected",
        "version": "18.3",
        "versionType": "custom"
      },
      {
        "lessThan": "18.4R2-S8, 18.4R3-S7",
        "status": "affected",
        "version": "18.4",
        "versionType": "custom"
      },
      {
        "lessThan": "19.1R3-S5",
        "status": "affected",
        "version": "19.1",
        "versionType": "custom"
      },
      {
        "lessThan": "19.2R1-S6, 19.2R3-S2",
        "status": "affected",
        "version": "19.2",
        "versionType": "custom"
      },
      {
        "lessThan": "19.3R2-S6, 19.3R3-S2",
        "status": "affected",
        "version": "19.3",
        "versionType": "custom"
      },
      {
        "lessThan": "19.4R1-S4, 19.4R2-S4, 19.4R3-S2",
        "status": "affected",
        "version": "19.4",
        "versionType": "custom"
      },
      {
        "lessThan": "20.1R2-S2, 20.1R3",
        "status": "affected",
        "version": "20.1",
        "versionType": "custom"
      },
      {
        "lessThan": "20.2R2-S3, 20.2R3",
        "status": "affected",
        "version": "20.2",
        "versionType": "custom"
      },
      {
        "lessThan": "20.3R2",
        "status": "affected",
        "version": "20.3",
        "versionType": "custom"
      },
      {
        "lessThan": "20.4R1-S1, 20.4R2",
        "status": "affected",
        "version": "20.4",
        "versionType": "custom"
      }
    ]
  }
]

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15 Jul 2021 20:00Current
7.5High risk
Vulners AI Score7.5
CVSS 3.17.5
EPSS0.00389
15