peter bassill · operator
$ cve CVE-2023-36844 JSON

CVE-2023-36844 KEV

5.3
MEDIUM · CVSS 3.1 · EPSS 90% (pctl 100)

Patch first

On CISA KEV — known exploited in the wild, due 2023-11-17.

Description

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.

Scoring

CVSS5.3 (MEDIUM, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS89.96% — more likely to be exploited than 100% of all CVEs
WeaknessCWE-473
On CISA KEVyes — remediate by 2023-11-17
Public exploitnone known
Published2023-08-17
Last modified2026-06-17

CISA KEV

NameJuniper Junos OS EX Series PHP External Variable Modification Vulnerability
Added2023-11-13
Due2023-11-17
Vendor / productJuniper / Junos OS
Ransomware usenone reported

Affected (40)

VendorProduct
juniperex2200
juniperex2200-c
juniperex2200-vc
juniperex2300
juniperex2300-24mp
juniperex2300-24p
juniperex2300-24t
juniperex2300-48mp
juniperex2300-48p
juniperex2300-48t
juniperex2300-c
juniperex2300m
juniperex3200
juniperex3300
juniperex3300-vc
juniperex3400
juniperex4200
juniperex4200-vc
juniperex4300
juniperex4300-24p
juniperex4300-24p-s
juniperex4300-24t
juniperex4300-24t-s
juniperex4300-32f
juniperex4300-32f-dc
juniperex4300-32f-s
juniperex4300-48mp
juniperex4300-48mp-s
juniperex4300-48p
juniperex4300-48p-s
juniperex4300-48t
juniperex4300-48t-afi
juniperex4300-48t-dc
juniperex4300-48t-dc-afi
juniperex4300-48t-s
juniperex4300-48tafi
juniperex4300-48tdc
juniperex4300-48tdc-afi
juniperex4300-mp
juniperjunos

References

→ the Explorer  ·  watch your stack  ·  NVD