CVE-2023-36844

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2023-36844

Confirmed

Yes

2023-11-13 00:00 UTC

Timestamps

2023-11-13

2023-11-13

Scope

KEV entry: Juniper Junos OS EX Series PHP External Variable Modification Vulnerability | Affected: Juniper / Junos OS | 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. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2023-11-17 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): 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-2023-36844

References
  • {'id': 'CVE-2023-36844', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-36844'}

260961c9-ccc6-4e1f-8e61-f4161d031ae9

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:24 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-473"
  ],
  "date_added": "2023-11-13",
  "due_date": "2023-11-17",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Junos OS",
  "vendorProject": "Juniper",
  "vulnerabilityName": "Juniper Junos OS EX Series PHP External Variable Modification Vulnerability"
}
 -
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