Is It On KEV?

Juniper Junos OS

YES - ON THE CISA KEV LIST
CVE-2023-36845

Juniper Junos OS EX Series and SRX Series PHP External Variable Modification Vulnerability

CISA catalog due date2023-11-17
overdue since 2023-11-17
EPSS exploit probability (next 30 days)95.1% · 100percentile
From CVE publication to KEV listing88 days (2023-08-17 → 2023-11-13)
Remediation window (KEV listing to due date)4 days
Days on the KEV list1094 days
Date added to KEV2023-11-13
Known ransomware campaign useUnknown
VendorJuniper
ProductJunos OS
Weaknesses (CWE)CWE-473

Juniper: 8 entries (0.4% of all KEV entries are from this vendor); 0 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

Description

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.

Required action (CISA)

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

Notes

https://supportportal.juniper.net/s/article/2023-08-Out-of-Cycle-Security-Bulletin-Junos-OS-SRX-Series-and-EX-Series-Multiple-vulnerabilities-in-J-Web-can-be-combined-to-allow-a-preAuth-Remote-Code-Execution?language=en_US ; https://nvd.nist.gov/vuln/detail/CVE-2023-36845

References

Other KEV entries for this vendor: Juniper

Juniper - Vendors with KEV entries

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