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JuniperCVE-2021-31384

HistoryOct 19, 2021 - 7:15 p.m.

CVE-2021-31384

2021-10-1919:15:11

CWE-862

CWE-551

CWE-1220

CWE-285

CWE-939

juniper

web.nvd.nist.gov

cve-2021-31384

missing authorization

insufficient granularity

access control

juniper networks

junos os

srx series

j-web

vulnerability

nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.2

Confidence

High

EPSS

0.002

Percentile

60.5%

JSON

Due to a Missing Authorization weakness and Insufficient Granularity of Access Control in a specific device configuration, a vulnerability exists in Juniper Networks Junos OS on SRX Series whereby an attacker who attempts to access J-Web administrative interfaces can successfully do so from any device interface regardless of the web-management configuration and filter rules which may otherwise protect access to J-Web. This issue affects: Juniper Networks Junos OS SRX Series 20.4 version 20.4R1 and later 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 20.4R1.

Affected configurations

Nvd

Node

juniperjunosMatch20.4r1

juniperjunosMatch20.4r1-s1

juniperjunosMatch20.4r2

juniperjunosMatch21.1r1

AND

junipersrx1500Match-

junipersrx300Match-

junipersrx4100Match-

junipersrx4200Match-

junipersrx4600Match-

junipersrx5400Match-

junipersrx550Match-

junipersrx5600Match-

junipersrx5800Match-

VendorProductVersionCPE
juniperjunos20.4cpe:2.3:o:juniper:junos:20.4:r1:*:*:*:*:*:*
juniperjunos20.4cpe:2.3:o:juniper:junos:20.4:r1-s1:*:*:*:*:*:*
juniperjunos20.4cpe:2.3:o:juniper:junos:20.4:r2:*:*:*:*:*:*
juniperjunos21.1cpe:2.3:o:juniper:junos:21.1:r1:*:*:*:*:*:*
junipersrx1500-cpe:2.3:h:juniper:srx1500:-:*:*:*:*:*:*:*
junipersrx300-cpe:2.3:h:juniper:srx300:-:*:*:*:*:*:*:*
junipersrx4100-cpe:2.3:h:juniper:srx4100:-:*:*:*:*:*:*:*
junipersrx4200-cpe:2.3:h:juniper:srx4200:-:*:*:*:*:*:*:*
junipersrx4600-cpe:2.3:h:juniper:srx4600:-:*:*:*:*:*:*:*
junipersrx5400-cpe:2.3:h:juniper:srx5400:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
juniper	junos	20.4	cpe:2.3:o:juniper:junos:20.4:r1::::::
juniper	junos	20.4	cpe:2.3:o:juniper:junos:20.4:r1-s1::::::
juniper	junos	20.4	cpe:2.3:o:juniper:junos:20.4:r2::::::
juniper	junos	21.1	cpe:2.3:o:juniper:junos:21.1:r1::::::
juniper	srx1500	-	cpe:2.3:h:juniper:srx1500:-:::::::*
juniper	srx300	-	cpe:2.3:h:juniper:srx300:-:::::::*
juniper	srx4100	-	cpe:2.3:h:juniper:srx4100:-:::::::*
juniper	srx4200	-	cpe:2.3:h:juniper:srx4200:-:::::::*
juniper	srx4600	-	cpe:2.3:h:juniper:srx4600:-:::::::*
juniper	srx5400	-	cpe:2.3:h:juniper:srx5400:-:::::::*

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CNA Affected

[
  {
    "platforms": [
      "SRX Series"
    ],
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "20.4R1",
        "status": "unaffected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "changes": [
          {
            "at": "20.4R2-S1, 20.4R3",
            "status": "unaffected"
          }
        ],
        "lessThan": "20.4*",
        "status": "affected",
        "version": "20.4R1",
        "versionType": "custom"
      },
      {
        "lessThan": "21.1R1-S1, 21.1R2",
        "status": "affected",
        "version": "21.1",
        "versionType": "custom"
      }
    ]
  }
]

References

kb.juniper.net/

kb.juniper.net/InfoCenter/index?page=content&id=JSA11252

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.2

Confidence

High

EPSS

0.002

Percentile

60.5%

JSON

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