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cve[email protected]CVE-2021-0278
HistoryJul 15, 2021 - 8:15 p.m.

CVE-2021-0278

2021-07-1520:15:09
CWE-20
web.nvd.nist.gov
34
8
cve-2021-0278
juniper networks
junos os
j-web
security vulnerability
input validation
privilege escalation
nvd

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.8%

An Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS allows a locally authenticated attacker to escalate their privileges to root over the target device. junos:18.3R3-S5 junos:18.4R3-S9 junos:19.1R3-S6 junos:19.3R2-S6 junos:19.3R3-S3 junos:19.4R1-S4 junos:19.4R3-S4 junos:20.1R2-S2 junos:20.1R3 junos:20.2R3-S1 junos:20.3X75-D20 junos:20.3X75-D30 junos:20.4R2-S1 junos:20.4R3 junos:21.1R1-S1 junos:21.1R2 junos:21.2R1 junos:21.3R1 This issue affects: Juniper Networks Junos OS 19.3 versions 19.3R1 and above prior to 19.3R2-S6, 19.3R3-S3; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R2-S2, 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R2-S1, 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2. This issue does not affect Juniper Networks Junos OS versions prior to 19.3R1.

Affected configurations

NVD
Node
juniperjunosMatch19.3r1
OR
juniperjunosMatch19.3r1-s1
OR
juniperjunosMatch19.3r2
OR
juniperjunosMatch19.3r2-s1
OR
juniperjunosMatch19.3r2-s2
OR
juniperjunosMatch19.3r2-s3
OR
juniperjunosMatch19.3r2-s4
OR
juniperjunosMatch19.3r2-s5
OR
juniperjunosMatch19.3r3
OR
juniperjunosMatch19.3r3-s1
OR
juniperjunosMatch19.3r3-s2
OR
juniperjunosMatch19.4r1
OR
juniperjunosMatch19.4r1-s1
OR
juniperjunosMatch19.4r1-s2
OR
juniperjunosMatch19.4r1-s3
OR
juniperjunosMatch19.4r2
OR
juniperjunosMatch19.4r2-s1
OR
juniperjunosMatch19.4r2-s2
OR
juniperjunosMatch19.4r2-s3
OR
juniperjunosMatch19.4r3
OR
juniperjunosMatch19.4r3-s1
OR
juniperjunosMatch19.4r3-s2
OR
juniperjunosMatch19.4r3-s3
OR
juniperjunosMatch19.4r3-s4
OR
juniperjunosMatch20.1r1
OR
juniperjunosMatch20.1r1-s1
OR
juniperjunosMatch20.1r1-s2
OR
juniperjunosMatch20.1r1-s3
OR
juniperjunosMatch20.1r1-s4
OR
juniperjunosMatch20.1r2
OR
juniperjunosMatch20.1r2-s1
OR
juniperjunosMatch20.1r3
OR
juniperjunosMatch20.2r1
OR
juniperjunosMatch20.2r1-s1
OR
juniperjunosMatch20.2r1-s2
OR
juniperjunosMatch20.2r1-s3
OR
juniperjunosMatch20.2r2
OR
juniperjunosMatch20.2r2-s1
OR
juniperjunosMatch20.2r2-s2
OR
juniperjunosMatch20.2r2-s3
OR
juniperjunosMatch20.2r3
OR
juniperjunosMatch20.2r3-s1
OR
juniperjunosMatch20.3r1
OR
juniperjunosMatch20.3r1-s1
OR
juniperjunosMatch20.3r2
OR
juniperjunosMatch20.3r2-s1
OR
juniperjunosMatch20.4r1
OR
juniperjunosMatch20.4r1-s1
OR
juniperjunosMatch20.4r2
OR
juniperjunosMatch21.1r1

CNA Affected

[
  {
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "19.3R1",
        "status": "unaffected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "changes": [
          {
            "at": "19.3R2-S6, 19.3R3-S3",
            "status": "unaffected"
          }
        ],
        "lessThan": "19.3*",
        "status": "affected",
        "version": "19.3R1",
        "versionType": "custom"
      },
      {
        "lessThan": "19.4R3-S5",
        "status": "affected",
        "version": "19.4",
        "versionType": "custom"
      },
      {
        "lessThan": "20.1R2-S2, 20.1R3-S1",
        "status": "affected",
        "version": "20.1",
        "versionType": "custom"
      },
      {
        "lessThan": "20.2R3-S2",
        "status": "affected",
        "version": "20.2",
        "versionType": "custom"
      },
      {
        "lessThan": "20.3R3",
        "status": "affected",
        "version": "20.3",
        "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"
      }
    ]
  }
]

Social References

More

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.8%

Related for CVE-2021-0278