Exploited
medium
5.3
CWE
473
Advisory Published
Updated

CVE-2023-36844: Juniper Junos OS EX Series PHP External Variable Modification Vulnerability

First published: Thu Aug 17 2023(Updated: )

A PHP External Variable Modification vulnerability in J-Web of Juniper Networks Junos OS on EX Series allows an unauthenticated, network-based attacker to control certain, important environment variables. Using a crafted request an attacker is able to modify certain PHP environment variables leading to partial loss of integrity, which may allow chaining to other vulnerabilities. This issue affects Juniper Networks Junos OS on EX 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 22.3R3-S1; * 22.4 versions prior to 22.4R2-S2, 22.4R3; * 23.2 versions prior to 23.2R1-S1, 23.2R2.

Credit: sirt@juniper.net sirt@juniper.net sirt@juniper.net

Affected SoftwareAffected VersionHow to fix
Juniper JUNOS<20.4
Juniper JUNOS=20.4
Juniper JUNOS=20.4-r1
Juniper JUNOS=20.4-r1-s1
Juniper JUNOS=20.4-r2
Juniper JUNOS=20.4-r2-s1
Juniper JUNOS=20.4-r2-s2
Juniper JUNOS=20.4-r3
Juniper JUNOS=20.4-r3-s1
Juniper JUNOS=20.4-r3-s2
Juniper JUNOS=20.4-r3-s3
Juniper JUNOS=20.4-r3-s4
Juniper JUNOS=20.4-r3-s5
Juniper JUNOS=20.4-r3-s6
Juniper JUNOS=20.4-r3-s7
Juniper JUNOS=21.1-r1
Juniper JUNOS=21.1-r1-s1
Juniper JUNOS=21.1-r2
Juniper JUNOS=21.1-r2-s1
Juniper JUNOS=21.1-r2-s2
Juniper JUNOS=21.1-r3
Juniper JUNOS=21.1-r3-s1
Juniper JUNOS=21.1-r3-s2
Juniper JUNOS=21.1-r3-s3
Juniper JUNOS=21.1-r3-s4
Juniper JUNOS=21.1-r3-s5
Juniper JUNOS=21.2
Juniper JUNOS=21.2-r1
Juniper JUNOS=21.2-r1-s1
Juniper JUNOS=21.2-r1-s2
Juniper JUNOS=21.2-r2
Juniper JUNOS=21.2-r2-s1
Juniper JUNOS=21.2-r2-s2
Juniper JUNOS=21.2-r3
Juniper JUNOS=21.2-r3-s1
Juniper JUNOS=21.2-r3-s2
Juniper JUNOS=21.2-r3-s3
Juniper JUNOS=21.2-r3-s4
Juniper JUNOS=21.2-r3-s5
Juniper JUNOS=21.3
Juniper JUNOS=21.3-r1
Juniper JUNOS=21.3-r1-s1
Juniper JUNOS=21.3-r1-s2
Juniper JUNOS=21.3-r2
Juniper JUNOS=21.3-r2-s1
Juniper JUNOS=21.3-r2-s2
Juniper JUNOS=21.3-r3
Juniper JUNOS=21.3-r3-s1
Juniper JUNOS=21.3-r3-s2
Juniper JUNOS=21.3-r3-s3
Juniper JUNOS=21.3-r3-s4
Juniper JUNOS=21.4
Juniper JUNOS=21.4-r1
Juniper JUNOS=21.4-r1-s1
Juniper JUNOS=21.4-r1-s2
Juniper JUNOS=21.4-r2
Juniper JUNOS=21.4-r2-s1
Juniper JUNOS=21.4-r2-s2
Juniper JUNOS=21.4-r3
Juniper JUNOS=21.4-r3-s1
Juniper JUNOS=21.4-r3-s2
Juniper JUNOS=21.4-r3-s3
Juniper JUNOS=21.4-r3-s4
Juniper JUNOS=22.1-r1
Juniper JUNOS=22.1-r1-s1
Juniper JUNOS=22.1-r1-s2
Juniper JUNOS=22.1-r2
Juniper JUNOS=22.1-r2-s1
Juniper JUNOS=22.1-r2-s2
Juniper JUNOS=22.1-r3
Juniper JUNOS=22.1-r3-s1
Juniper JUNOS=22.1-r3-s2
Juniper JUNOS=22.2-r1
Juniper JUNOS=22.2-r1-s1
Juniper JUNOS=22.2-r1-s2
Juniper JUNOS=22.2-r2
Juniper JUNOS=22.2-r2-s1
Juniper JUNOS=22.2-r2-s2
Juniper JUNOS=22.2-r3
Juniper JUNOS=22.2-r3-s1
Juniper JUNOS=22.3-r1
Juniper JUNOS=22.3-r1-s1
Juniper JUNOS=22.3-r1-s2
Juniper JUNOS=22.3-r2
Juniper JUNOS=22.3-r2-s1
Juniper JUNOS=22.4-r1
Juniper JUNOS=22.4-r1-s1
Juniper JUNOS=22.4-r1-s2
Juniper JUNOS=22.4-r2
Juniper Srx100
Juniper Srx110
Juniper Srx1400
Juniper Srx1500
Juniper Srx210
Juniper Srx220
Juniper Srx240
Juniper Srx240h2
Juniper Srx240m
Juniper Srx300
Juniper Srx320
Juniper Srx340
Juniper Srx3400
Juniper Srx345
Juniper Srx3600
Juniper Srx380
Juniper Srx4000
Juniper Srx4100
Juniper Srx4200
Juniper Srx4600
Juniper Srx5000
Juniper Srx5400
Juniper Srx550
Juniper Srx550 Hm
Juniper Srx550m
Juniper Srx5600
Juniper Srx5800
Juniper Srx650
Juniper Ex2200
Juniper Ex2200-c
Juniper Ex2200-vc
Juniper Ex2300
Juniper Ex2300-24mp
Juniper Ex2300-24p
Juniper Ex2300-24t
Juniper Ex2300-48mp
Juniper Ex2300-48p
Juniper Ex2300-48t
Juniper Ex2300-c
Juniper Ex2300m
Juniper Ex3200
Juniper Ex3300
Juniper Ex3300-vc
Juniper Ex3400
Juniper Ex4200
Juniper Ex4200-vc
Juniper Ex4300
Juniper Ex4300-24p
Juniper Ex4300-24p-s
Juniper Ex4300-24t
Juniper Ex4300-24t-s
Juniper Ex4300-32f
Juniper Ex4300-32f-dc
Juniper Ex4300-32f-s
Juniper Ex4300-48mp
Juniper Ex4300-48mp-s
Juniper Ex4300-48p
Juniper Ex4300-48p-s
Juniper Ex4300-48t
Juniper Ex4300-48t-afi
Juniper Ex4300-48t-dc
Juniper Ex4300-48t-dc-afi
Juniper Ex4300-48t-s
Juniper Ex4300-48tafi
Juniper Ex4300-48tdc
Juniper Ex4300-48tdc-afi
Juniper Ex4300-mp
Juniper Ex4300-vc
Juniper Ex4300m
Juniper Ex4400
Juniper Ex4500
Juniper Ex4500-vc
Juniper Ex4550
Juniper Ex4550-vc
Juniper Ex4550\/vc
Juniper EX4600
Juniper Ex4600-vc
Juniper Ex4650
Juniper Ex6200
Juniper Ex6210
Juniper Ex8200
Juniper Ex8200-vc
Juniper Ex8208
Juniper Ex8216
Juniper Ex9200
Juniper Ex9204
Juniper Ex9208
Juniper Ex9214
Juniper Ex9250
Juniper Ex9251
Juniper Ex9253
Juniper Networks SRX Series firewall
Juniper Networks EX Series switch
All of
Any of
Juniper Ex2200
Juniper Ex2200-c
Juniper Ex2200-vc
Juniper Ex2300
Juniper Ex2300-24mp
Juniper Ex2300-24p
Juniper Ex2300-24t
Juniper Ex2300-48mp
Juniper Ex2300-48p
Juniper Ex2300-48t
Juniper Ex2300-c
Juniper Ex2300m
Juniper Ex3200
Juniper Ex3300
Juniper Ex3300-vc
Juniper Ex3400
Juniper Ex4200
Juniper Ex4200-vc
Juniper Ex4300
Juniper Ex4300-24p
Juniper Ex4300-24p-s
Juniper Ex4300-24t
Juniper Ex4300-24t-s
Juniper Ex4300-32f
Juniper Ex4300-32f-dc
Juniper Ex4300-32f-s
Juniper Ex4300-48mp
Juniper Ex4300-48mp-s
Juniper Ex4300-48p
Juniper Ex4300-48p-s
Juniper Ex4300-48t
Juniper Ex4300-48t-afi
Juniper Ex4300-48t-dc
Juniper Ex4300-48t-dc-afi
Juniper Ex4300-48t-s
Juniper Ex4300-48tafi
Juniper Ex4300-48tdc
Juniper Ex4300-48tdc-afi
Juniper Ex4300-mp
Juniper Ex4300-vc
Juniper Ex4300m
Juniper Ex4400
Juniper Ex4500
Juniper Ex4500-vc
Juniper Ex4550
Juniper Ex4550-vc
Juniper Ex4550\/vc
Juniper EX4600
Juniper Ex4600-vc
Juniper Ex4650
Juniper Ex6200
Juniper Ex6210
Juniper Ex8200
Juniper Ex8200-vc
Juniper Ex8208
Juniper Ex8216
Juniper Ex9200
Juniper Ex9204
Juniper Ex9208
Juniper Ex9214
Juniper Ex9250
Juniper Ex9251
Juniper Ex9253
Any of
Juniper JUNOS<20.4
Juniper JUNOS=20.4
Juniper JUNOS=20.4-r1
Juniper JUNOS=20.4-r1-s1
Juniper JUNOS=20.4-r2
Juniper JUNOS=20.4-r2-s1
Juniper JUNOS=20.4-r2-s2
Juniper JUNOS=20.4-r3
Juniper JUNOS=20.4-r3-s1
Juniper JUNOS=20.4-r3-s2
Juniper JUNOS=20.4-r3-s3
Juniper JUNOS=20.4-r3-s4
Juniper JUNOS=20.4-r3-s5
Juniper JUNOS=20.4-r3-s6
Juniper JUNOS=20.4-r3-s7
Juniper JUNOS=20.4-r3-s8
Juniper JUNOS=21.1-r1
Juniper JUNOS=21.1-r1-s1
Juniper JUNOS=21.1-r2
Juniper JUNOS=21.1-r2-s1
Juniper JUNOS=21.1-r2-s2
Juniper JUNOS=21.1-r3
Juniper JUNOS=21.1-r3-s1
Juniper JUNOS=21.1-r3-s2
Juniper JUNOS=21.1-r3-s3
Juniper JUNOS=21.1-r3-s4
Juniper JUNOS=21.1-r3-s5
Juniper JUNOS=21.2
Juniper JUNOS=21.2-r1
Juniper JUNOS=21.2-r1-s1
Juniper JUNOS=21.2-r1-s2
Juniper JUNOS=21.2-r2
Juniper JUNOS=21.2-r2-s1
Juniper JUNOS=21.2-r2-s2
Juniper JUNOS=21.2-r3
Juniper JUNOS=21.2-r3-s1
Juniper JUNOS=21.2-r3-s2
Juniper JUNOS=21.2-r3-s3
Juniper JUNOS=21.2-r3-s4
Juniper JUNOS=21.2-r3-s5
Juniper JUNOS=21.2-r3-s6
Juniper JUNOS=21.3
Juniper JUNOS=21.3-r1
Juniper JUNOS=21.3-r1-s1
Juniper JUNOS=21.3-r1-s2
Juniper JUNOS=21.3-r2
Juniper JUNOS=21.3-r2-s1
Juniper JUNOS=21.3-r2-s2
Juniper JUNOS=21.3-r3
Juniper JUNOS=21.3-r3-s1
Juniper JUNOS=21.3-r3-s2
Juniper JUNOS=21.3-r3-s3
Juniper JUNOS=21.3-r3-s4
Juniper JUNOS=21.4
Juniper JUNOS=21.4-r1
Juniper JUNOS=21.4-r1-s1
Juniper JUNOS=21.4-r1-s2
Juniper JUNOS=21.4-r2
Juniper JUNOS=21.4-r2-s1
Juniper JUNOS=21.4-r2-s2
Juniper JUNOS=21.4-r3
Juniper JUNOS=21.4-r3-s1
Juniper JUNOS=21.4-r3-s2
Juniper JUNOS=21.4-r3-s3
Juniper JUNOS=21.4-r3-s4
Juniper JUNOS=22.1-r1
Juniper JUNOS=22.1-r1-s1
Juniper JUNOS=22.1-r1-s2
Juniper JUNOS=22.1-r2
Juniper JUNOS=22.1-r2-s1
Juniper JUNOS=22.1-r2-s2
Juniper JUNOS=22.1-r3
Juniper JUNOS=22.1-r3-s1
Juniper JUNOS=22.1-r3-s2
Juniper JUNOS=22.1-r3-s3
Juniper JUNOS=22.2-r1
Juniper JUNOS=22.2-r1-s1
Juniper JUNOS=22.2-r1-s2
Juniper JUNOS=22.2-r2
Juniper JUNOS=22.2-r2-s1
Juniper JUNOS=22.2-r2-s2
Juniper JUNOS=22.2-r3
Juniper JUNOS=22.2-r3-s1
Juniper JUNOS=22.3-r1
Juniper JUNOS=22.3-r1-s1
Juniper JUNOS=22.3-r1-s2
Juniper JUNOS=22.3-r2
Juniper JUNOS=22.3-r2-s1
Juniper JUNOS=22.3-r3
Juniper JUNOS=22.4-r1
Juniper JUNOS=22.4-r1-s1
Juniper JUNOS=22.4-r1-s2
Juniper JUNOS=22.4-r2
Juniper JUNOS=22.4-r2-s1
Juniper JUNOS=23.2-r1

Remedy

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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Reference Links

Peer vulnerabilities

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