Juniper · Junos OS
CVE-2023-36845
Junos OS: EX and SRX Series: A PHP vulnerability in J-Web allows an unauthenticated to control an important environment variable
Что это
A PHP External Variable Modification vulnerability in J-Web of Juniper Networks Junos OS on EX Series
and SRX Series
allows an unauthenticated, network-based attacker to remotely execute code.
Using a crafted request which sets the variable PHPRC an attacker is able to modify the PHP execution environment allowing the injection und execution of code.
This issue affects Juniper Networks Junos OS on EX Series
and
SRX 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
22.3R2-S2, 22.3R3-S1;
* 22.4 versions
prior to
22.4R2-S1, 22.4R3;
* 23.2 versions prior to 23.2R1-S1, 23.2R2.
CISA: Juniper Junos OS on EX Series and SRX Series contains a PHP external variable modification vulnerability that allows an unauthenticated, network-based attacker to control an important environment variable. Using a crafted request, which sets the variable PHPRC, an attacker is able to modify the PHP execution environment allowing the injection und execution of code.
Что делать
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Срок для федеральных ведомств США: 17 ноября 2023 г.
Другие эксплуатируемые уязвимости Juniper
| Добавлено | Уязвимость | Продукт | Серьёзность | Вероятность атаки |
|---|---|---|---|---|
| 13 мар. 2025 г. | Improper Isolation or Compartmentalization | Junos OS | Средняя 6,7 | 1,7% |
| 13 нояб. 2023 г. | EX Series PHP External Variable Modification | Junos OS | Средняя 5,3 | 90% |
| 13 нояб. 2023 г. | SRX Series Missing Authentication for Critical Function | Junos OS | Средняя 5,3 | 93% |
| 13 нояб. 2023 г. | EX Series Missing Authentication for Critical Function | Junos OS | Средняя 5,3 | 83% |
| 13 нояб. 2023 г. | SRX Series Missing Authentication for Critical Function | Junos OS | Средняя 5,3 | 1,1% |
| 25 мар. 2022 г. | Path Traversal | Junos OS | Высокий 8,8 | 4,9% |
| 2 окт. 2025 г. | Improper Authentication | ScreenOS | Критическая 9,8 | 61% |
Источники: Known Exploited Vulnerabilities (CISA, общественное достояние), CVE records (cve.org) и EPSS (FIRST). Вероятность атаки — оценка EPSS того, что кто-то попытается использовать уязвимость в ближайшие 30 дней.