MEDIUM🚩 CISA KEV⚡ EXPLOIT🇵🇱 Wersja polska

CVE-2023-36844

CVSS 5.3v3.1pub. 2023-08-17upd. 2025-10-24

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.

CVSS Vector

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

Juniper Ex2200
HW
Juniper
all versions
Juniper Ex2200 C
HW
Juniper
all versions
Juniper Ex2200 Vc
HW
Juniper
all versions
Juniper Ex2300
HW
Juniper
all versions
Juniper Ex2300 24mp
HW
Juniper
all versions
Juniper Ex2300 24p
HW
Juniper
all versions
Juniper Ex2300 24t
HW
Juniper
all versions
Juniper Ex2300 48mp
HW
Juniper
all versions
Juniper Ex2300 48p
HW
Juniper
all versions
Juniper Ex2300 48t
HW
Juniper
all versions
Juniper Ex2300 C
HW
Juniper
all versions
Juniper Ex2300m
HW
Juniper
all versions
Juniper Ex3200
HW
Juniper
all versions
Juniper Ex3300
HW
Juniper
all versions
Juniper Ex3300 Vc
HW
Juniper
all versions
Juniper Ex3400
HW
Juniper
all versions
Juniper Ex4200
HW
Juniper
all versions
Juniper Ex4200 Vc
HW
Juniper
all versions
Juniper Ex4300
HW
Juniper
all versions
Juniper Ex4300 24p
HW
Juniper
all versions
Juniper Ex4300 24p S
HW
Juniper
all versions
Juniper Ex4300 24t
HW
Juniper
all versions
Juniper Ex4300 24t S
HW
Juniper
all versions
Juniper Ex4300 32f
HW
Juniper
all versions
Juniper Ex4300 32f Dc
HW
Juniper
all versions
Juniper Ex4300 32f S
HW
Juniper
all versions
Juniper Ex4300 48mp
HW
Juniper
all versions
Juniper Ex4300 48mp S
HW
Juniper
all versions
Juniper Ex4300 48p
HW
Juniper
all versions
Juniper Ex4300 48p S
HW
Juniper
all versions

CISA KEV — detailsi

Vendori: Juniper
Producti: Junos OS
Added to KEVi: November 13, 2023
Remediation deadline (US Federal)i: November 17, 2023(overdue)

🇺🇸CISA KEV (original)↗

Required action (CISA)i

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

CISA descriptioni

Juniper Junos OS on EX Series contains a PHP external variable modification vulnerability that 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.

🔴