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CVE-2018-0001

Junos: Unauthenticated Remote Code Execution through J-Web interface

CRITICAL
9.8
CVSS Score
Published: January 10, 2018 at 10:00 PM UTC
Updated: June 17, 2026 at 01:29 AM UTC
1 product affected across 1 vendorJunos

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Severity
CRITICAL9.8
Exploit prediction
EPSS 6%

Description

A remote, unauthenticated attacker may be able to execute code by exploiting a use-after-free defect found in older versions of PHP through injection of crafted data via specific PHP URLs within the context of the J-Web process. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D67; 12.3 versions prior to 12.3R12-S5; 12.3X48 versions prior to 12.3X48-D35; 14.1 versions prior to 14.1R8-S5, 14.1R9; 14.1X53 versions prior to 14.1X53-D44, 14.1X53-D50; 14.2 versions prior to 14.2R7-S7, 14.2R8; 15.1 versions prior to 15.1R3; 15.1X49 versions prior to 15.1X49-D30; 15.1X53 versions prior to 15.1X53-D70.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Junos· Juniper Networks
95%
12.1X46 ≤ v < 12.1X46-D6712.3 ≤ v < 12.3R12-S512.3X48 ≤ v < 12.3X48-D3514.1 ≤ v < 14.1R8-S5, 14.1R914.1X53 ≤ v < 14.1X53-D44, 14.1X53-D5014.2 ≤ v < 14.2R7-S7, 14.2R815.1 ≤ v < 15.1R315.1X49 ≤ v < 15.1X49-D3015.1X53 ≤ v < 15.1X53-D7012.1X4612.1x46 d1012.1x46 d1512.1x46 d2012.1x46 d2512.1x46 d3012.1x46 d3512.1x46 d4012.1x46 d4512.1x46 d5012.1x46 d5512.1x46 d6012.1x46 d6512.312.3 r112.3 r1012.3 r212.3 r312.3 r412.3 r512.3 r612.3 r712.3 r812.3 r912.3X4812.3x48 d1012.3x48 d1512.3x48 d2012.3x48 d2512.3x48 d3014.114.1 r114.1 r214.1 r314.1 r414.1 r814.1 r914.1X5314.1x5314.1x53 d1014.1x53 d1514.1x53 d1614.1x53 d2514.1x53 d2614.1x53 d2714.1x53 d3514.1x53 d5014.214.2 r114.2 r214.2 r314.2 r414.2 r514.2 r714.2 r815.115.1 r115.1 r215.1X4915.1X5315.1x49 d1015.1x49 d2015.1x49 d3015.1x53 d2015.1x53 d2115.1x53 d2515.1x53 d3015.1x53 d3215.1x53 d3315.1x53 d3415.1x53 d6015.1x53 d6115.1x53 d6215.1x53 d63
Affected range stops below 12.1X46-D67, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.3R12-S5, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.3X48-D35, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1R8-S5, 14.1R9, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1X53-D44, 14.1X53-D50, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.2R7-S7, 14.2R8, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1R3, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1X49-D30, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1X53-D70, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

VDB Entryx_refsource_BID
Source: [email protected]
http://www.securityfocus.com/bid/103092
VDB Entryx_refsource_SECTRACKThird Party Advisory
Source: [email protected]
http://www.securitytracker.com/id/1040180
x_refsource_CONFIRMMitigationPatchVendor Advisory
Source: [email protected]
https://kb.juniper.net/JSA10828

CVSS

9.8CRITICALjuniper
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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