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cve[email protected]CVE-2023-36835
HistoryJul 14, 2023 - 6:15 p.m.

CVE-2023-36835

2023-07-1418:15:10
CWE-754
web.nvd.nist.gov
15
cve-2023-36835
juniper networks
junos os
qfx10000
dos
denial of service
nvd
security vulnerability

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0005 Low

EPSS

Percentile

16.8%

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX10000 Series allows a network based attacker to cause a Denial of Service (DoS).

If a specific valid IP packet is received and that packet needs to be routed over a VXLAN tunnel, this will result in a PFE wedge condition due to which traffic gets impacted. As this is not a crash and restart scenario, this condition will persist until the system is rebooted to recover.

This issue affects Juniper Networks Junos OS on QFX10000:
20.3 version 20.3R1 and later versions;
20.4 versions prior to 20.4R3-S5;
21.1 versions prior to 21.1R3-S5;
21.2 versions prior to 21.2R3-S5;
21.3 versions prior to 21.3R3-S4;
21.4 versions prior to 21.4R3-S1;
22.1 versions prior to 22.1R3;
22.2 versions prior to 22.2R2;
22.3 versions prior to 22.3R1-S2, 22.3R2.

Affected configurations

NVD
Node
juniperjunosMatch20.3r1
OR
juniperjunosMatch20.3r1-s1
OR
juniperjunosMatch20.3r1-s2
OR
juniperjunosMatch20.3r2
OR
juniperjunosMatch20.3r2-s1
OR
juniperjunosMatch20.3r3
OR
juniperjunosMatch20.3r3-s1
OR
juniperjunosMatch20.3r3-s2
OR
juniperjunosMatch20.3r3-s3
OR
juniperjunosMatch20.3r3-s4
OR
juniperjunosMatch20.3r3-s5
OR
juniperjunosMatch20.3r3-s6
OR
juniperjunosMatch20.4-
OR
juniperjunosMatch20.4r1
OR
juniperjunosMatch20.4r1-s1
OR
juniperjunosMatch20.4r2
OR
juniperjunosMatch20.4r2-s1
OR
juniperjunosMatch20.4r2-s2
OR
juniperjunosMatch20.4r3
OR
juniperjunosMatch20.4r3-s1
OR
juniperjunosMatch20.4r3-s2
OR
juniperjunosMatch20.4r3-s3
OR
juniperjunosMatch20.4r3-s4
OR
juniperjunosMatch21.1-
OR
juniperjunosMatch21.1r1
OR
juniperjunosMatch21.1r1-s1
OR
juniperjunosMatch21.1r2
OR
juniperjunosMatch21.1r2-s1
OR
juniperjunosMatch21.1r2-s2
OR
juniperjunosMatch21.1r3
OR
juniperjunosMatch21.1r3-s1
OR
juniperjunosMatch21.1r3-s2
OR
juniperjunosMatch21.1r3-s3
OR
juniperjunosMatch21.1r3-s4
OR
juniperjunosMatch21.2-
OR
juniperjunosMatch21.2r1
OR
juniperjunosMatch21.2r1-s1
OR
juniperjunosMatch21.2r1-s2
OR
juniperjunosMatch21.2r2
OR
juniperjunosMatch21.2r2-s1
OR
juniperjunosMatch21.2r2-s2
OR
juniperjunosMatch21.2r3
OR
juniperjunosMatch21.2r3-s1
OR
juniperjunosMatch21.2r3-s2
OR
juniperjunosMatch21.2r3-s3
OR
juniperjunosMatch21.2r3-s4
OR
juniperjunosMatch21.3-
OR
juniperjunosMatch21.3r1
OR
juniperjunosMatch21.3r1-s1
OR
juniperjunosMatch21.3r1-s2
OR
juniperjunosMatch21.3r2
OR
juniperjunosMatch21.3r2-s1
OR
juniperjunosMatch21.3r2-s2
OR
juniperjunosMatch21.3r3
OR
juniperjunosMatch21.3r3-s1
OR
juniperjunosMatch21.3r3-s2
OR
juniperjunosMatch21.3r3-s3
OR
juniperjunosMatch21.4-
OR
juniperjunosMatch21.4r1
OR
juniperjunosMatch21.4r1-s1
OR
juniperjunosMatch21.4r1-s2
OR
juniperjunosMatch21.4r2
OR
juniperjunosMatch21.4r2-s1
OR
juniperjunosMatch21.4r2-s2
OR
juniperjunosMatch21.4r3
OR
juniperjunosMatch22.1r1
OR
juniperjunosMatch22.1r1-s1
OR
juniperjunosMatch22.1r1-s2
OR
juniperjunosMatch22.1r2
OR
juniperjunosMatch22.1r2-s1
OR
juniperjunosMatch22.1r2-s2
OR
juniperjunosMatch22.2r1
OR
juniperjunosMatch22.2r1-s1
OR
juniperjunosMatch22.2r1-s2
OR
juniperjunosMatch22.3r1
OR
juniperjunosMatch22.3r1-s1
AND
juniperqfx10002Match-
OR
juniperqfx10002-60cMatch-
OR
juniperqfx10008Match-
OR
juniperqfx10016Match-

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "platforms": [
      "QFX10000 Series"
    ],
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "changes": [
          {
            "at": "20.3R1",
            "status": "affected"
          }
        ],
        "lessThan": "20.3*",
        "status": "affected",
        "version": "20.3",
        "versionType": "custom"
      },
      {
        "lessThan": "20.4R3-S5",
        "status": "affected",
        "version": "20.4",
        "versionType": "custom"
      },
      {
        "lessThan": "21.1R3-S5",
        "status": "affected",
        "version": "21.1",
        "versionType": "custom"
      },
      {
        "lessThan": "21.2R3-S5",
        "status": "affected",
        "version": "21.2",
        "versionType": "custom"
      },
      {
        "lessThan": "21.3R3-S4",
        "status": "affected",
        "version": "21.3",
        "versionType": "custom"
      },
      {
        "lessThan": "21.4R3-S1",
        "status": "affected",
        "version": "21.4",
        "versionType": "custom"
      },
      {
        "lessThan": "22.1R3",
        "status": "affected",
        "version": "22.1",
        "versionType": "custom"
      },
      {
        "lessThan": "22.2R2",
        "status": "affected",
        "version": "22.2",
        "versionType": "custom"
      },
      {
        "lessThan": "22.3R1-S2, 22.3R2",
        "status": "affected",
        "version": "22.3",
        "versionType": "custom"
      }
    ]
  }
]

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0005 Low

EPSS

Percentile

16.8%

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