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CVE-2021-31351

🗓️ 19 Oct 2021 18:16:31Reported by juniperType 
cve
 cve
🔗 web.nvd.nist.gov👁 73 Views

An Improper Check for Unusual or Exceptional Conditions in packet processing on the MS-MPC/MS-MIC utilized by Juniper Networks Junos OS allows a malicious attacker to send a specific packet, triggering the MS-MPC/MS-MIC to reset, causing a Denial of Service (DoS)

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
CNNVD
Juniper Networks Junos OS 代码问题漏洞
13 Oct 202100:00
cnnvd
Cvelist
CVE-2021-31351 Junos OS: MX Series: Receipt of specific packet on MS-MPC/MS-MIC causes line card reset
19 Oct 202118:16
cvelist
EUVD
EUVD-2021-18261
7 Oct 202500:30
euvd
NCSC
Vulnerabilities fixed in Juniper Junos OS
14 Oct 202100:00
ncsc
NVD
CVE-2021-31351
19 Oct 202119:15
nvd
OSV
CVE-2021-31351
19 Oct 202119:15
osv
Prion
Input validation
19 Oct 202119:15
prion
NVD
Vulners
Node
juniperjunosMatch17.3r3-s11
OR
juniperjunosMatch17.4r2-s13
OR
juniperjunosMatch17.4r3
OR
juniperjunosMatch17.4r3-s1
OR
juniperjunosMatch17.4r3-s2
OR
juniperjunosMatch17.4r3-s3
OR
juniperjunosMatch17.4r3-s4
OR
juniperjunosMatch18.1r3-s12
OR
juniperjunosMatch18.2r2-s8
OR
juniperjunosMatch18.2r3-s7
OR
juniperjunosMatch18.2r3-s8
OR
juniperjunosMatch18.3r3-s4
OR
juniperjunosMatch18.4r3-s7
OR
juniperjunosMatch19.1r3-s4
OR
juniperjunosMatch19.1r3-s5
OR
juniperjunosMatch19.2r1-s6
OR
juniperjunosMatch19.3r3-s2
OR
juniperjunosMatch19.4r2-s4
OR
juniperjunosMatch19.4r2-s5
OR
juniperjunosMatch19.4r3-s2
OR
juniperjunosMatch20.1r2-s1
OR
juniperjunosMatch20.2r2-s2
OR
juniperjunosMatch20.2r2-s3
OR
juniperjunosMatch20.2r3
OR
juniperjunosMatch20.3r2
OR
juniperjunosMatch20.3r2-s1
OR
juniperjunosMatch20.4r1
OR
juniperjunosMatch20.4r1-s1
OR
juniperjunosMatch20.4r2
OR
juniperjunosMatch21.1r1
AND
[
  {
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "15.1",
        "status": "unaffected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "17.3R3-S11",
        "status": "unaffected",
        "version": "17.3",
        "versionType": "custom"
      },
      {
        "lessThan": "17.4*",
        "status": "unaffected",
        "version": "17.4R3",
        "versionType": "custom"
      }
    ]
  },
  {
    "platforms": [
      "MX Series"
    ],
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "status": "affected",
        "version": "17.3R3-S11"
      },
      {
        "status": "affected",
        "version": "18.1R3-S12"
      },
      {
        "status": "affected",
        "version": "18.3R3-S4"
      },
      {
        "status": "affected",
        "version": "18.4R3-S7"
      },
      {
        "status": "affected",
        "version": "19.1R3-S4, 19.1R3-S5"
      },
      {
        "status": "affected",
        "version": "19.2R1-S6"
      },
      {
        "status": "affected",
        "version": "19.3R3-S2"
      },
      {
        "status": "affected",
        "version": "19.4R3-S2"
      },
      {
        "status": "affected",
        "version": "20.1R2-S1"
      },
      {
        "status": "affected",
        "version": "20.2R3"
      },
      {
        "status": "affected",
        "version": "20.3R2"
      },
      {
        "lessThan": "17.4*",
        "status": "affected",
        "version": "17.4R2-S13",
        "versionType": "custom"
      },
      {
        "lessThan": "18.2*",
        "status": "affected",
        "version": "18.2R2-S8, 18.2R3-S7",
        "versionType": "custom"
      },
      {
        "lessThan": "18.4*",
        "status": "affected",
        "version": "18.4R1-S8, 18.4R2-S7",
        "versionType": "custom"
      },
      {
        "lessThan": "19.4*",
        "status": "affected",
        "version": "19.4R2-S4",
        "versionType": "custom"
      },
      {
        "lessThan": "20.2*",
        "status": "affected",
        "version": "20.2R2-S2",
        "versionType": "custom"
      },
      {
        "lessThan": "20.3*",
        "status": "affected",
        "version": "20.3R1-S2",
        "versionType": "custom"
      },
      {
        "lessThan": "20.4R2-S1, 20.4R3",
        "status": "affected",
        "version": "20.4",
        "versionType": "custom"
      },
      {
        "lessThan": "21.1R1-S1, 21.1R2",
        "status": "affected",
        "version": "21.1",
        "versionType": "custom"
      }
    ]
  }
]

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21 Nov 2024 06:05Current
7.5High risk
Vulners AI Score7.5
CVSS 25
CVSS 3.17.5
EPSS0.00389
73