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CVE-2023-36844: Juniper Junos OS

EPSS89.9%No. 467 of 1739 in KEV
CVE year2023listed the same year
Same vendor in KEV8
Same product7
FieldValue
VendorJuniper
ProductJunos OS
NameJuniper Junos OS EX Series PHP External Variable Modification Vulnerability
Added to KEV2023-11-13
US federal due date2023-11-17
Ransomware useUnknown
CWECWE-473

CISA description

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.

Other entries for this product

CVEVendor / productAddedEPSSRansomware
CVE-2025-21590Juniper Junos OS2025-03-131.7%Unknown
CVE-2023-36851Juniper Junos OS2023-11-131.1%Unknown
CVE-2023-36847Juniper Junos OS2023-11-1383.4%Unknown
CVE-2023-36846Juniper Junos OS2023-11-1393.4%Unknown
CVE-2023-36845Juniper Junos OS2023-11-1395.0%Unknown
CVE-2020-1631Juniper Junos OS2022-03-254.8%Unknown

NVD — CVE-2023-36844

Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page

A Juniper Junos OS vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2023-11-13.