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JuniperCVELIST:CVE-2023-36845

HistoryAug 17, 2023 - 7:17 p.m.

CVE-2023-36845 Junos OS: EX and SRX Series: A PHP vulnerability in J-Web allows an unauthenticated to control an important environment variable

2023-08-1719:17:57

CWE-473

juniper

www.cve.org

juniper networks

junos os

php vulnerability

unauthenticated access

code execution

ex series

srx series

remote exploit

cve-2023-36845

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.8 High

AI Score

Confidence

High

0.967 High

EPSS

Percentile

99.6%

JSON

A PHP External Variable Modification vulnerability in J-Web of Juniper Networks Junos OS on EX Series

and SRX Series

allows an unauthenticated, network-based attacker to remotely execute code.

Using a crafted request which sets the variable PHPRC an attacker is able to modify the PHP execution environment allowing the injection und execution of code.

This issue affects Juniper Networks Junos OS on EX Series

and

SRX Series:

All versions prior to

20.4R3-S9;

21.1 versions 21.1R1 and later;
21.2 versions prior to 21.2R3-S7;
21.3 versions prior to 21.3R3-S5;
21.4 versions prior to 21.4R3-S5;
22.1 versions

prior to

22.1R3-S4;

22.2 versions

prior to

22.2R3-S2;

22.3 versions

prior to

22.3R2-S2, 22.3R3-S1;

22.4 versions

prior to

22.4R2-S1, 22.4R3;

23.2 versions prior to 23.2R1-S1, 23.2R2.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "platforms": [
      "EX Series",
      "SRX Series"
    ],
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "20.4R3-S9",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThan": "21.1*",
        "status": "affected",
        "version": "21.1",
        "versionType": "semver"
      },
      {
        "lessThan": "21.2R3-S7",
        "status": "affected",
        "version": "21.2",
        "versionType": "semver"
      },
      {
        "lessThan": "21.3R3-S5",
        "status": "affected",
        "version": "21.3",
        "versionType": "semver"
      },
      {
        "lessThan": "21.4R3-S5",
        "status": "affected",
        "version": "21.4",
        "versionType": "semver"
      },
      {
        "lessThan": "22.1R3-S4",
        "status": "affected",
        "version": "22.1",
        "versionType": "semver"
      },
      {
        "lessThan": "22.2R3-S2",
        "status": "affected",
        "version": "22.2",
        "versionType": "semver"
      },
      {
        "lessThan": "22.3R2-S2, 22.3R3-S1",
        "status": "affected",
        "version": "22.3",
        "versionType": "semver"
      },
      {
        "lessThan": "22.4R2-S1, 22.4R3",
        "status": "affected",
        "version": "22.4",
        "versionType": "semver"
      },
      {
        "lessThan": "23.2R1-S1, 23.2R2",
        "status": "affected",
        "version": "23,2",
        "versionType": "semver"
      }
    ]
  }
]