CVE-2023-36844
악용 확인 Juniper Junos OS EX Series PHP External Variable Modification Vulnerability
악용 여부
악용 확인
심각도 (발행처 발표값)
보통5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
악용 확률 (EPSS)
90.0%
한국어 공식 권고
CISA 원문
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.— CISA KEV · shortDescription 원문
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.— CISA KEV · requiredAction 원문
취약점 설명 (NVD 원문)
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.
CWE-473
악용 확률 변화
| 기준일 | 확률 | 백분위 |
|---|---|---|
| 2026-09-08 | 89.96% | 99.8% |
| 2026-09-07 | 89.96% | 99.8% |
| 2026-09-06 | 89.32% | 99.8% |
| 2026-09-05 | 89.32% | 99.8% |
| 2026-09-04 | 90.99% | 99.8% |