UnknownPublished 10 Mar 2026

tlp clear · KRVTZ-NET IDS alerts for 2026-03-10

Affects tlp clearSource CIRCL OSINT Feed

TLP:CLEAR, disclosure is not limited

Mentions 2 CVEs

Mentioned vulnerabilities

Description

KRVTZ-NET IDS alerts for 2026-03-10

Impact

The immediate impact is low as the activity is primarily reconnaissance without confirmed exploitation. However, successful exploitation of CVE-2011-5148 could lead to full remote code execution on Joomla web servers, enabling attackers to control affected systems and potentially steal data or pivot to further attacks. Exploitation of CVE-2023-27997 in Fortigate VPN devices could allow unauthorized VPN access, compromising remote access security and exposing internal networks. The reconnaissance increases the risk of future exploitation attempts, especially for organizations with exposed or unpatched Joomla installations and Fortigate VPN appliances. Potential impacts include loss of confidentiality, integrity, and availability, with operational and reputational consequences.

Defensive guidance

No patches are currently indicated as available specifically for these IDS alerts. Organizations using Joomla CMS should audit for the vulnerable Simple File Upload Plugin and update, disable, or remove it if possible. Fortigate VPN administrators should ensure devices are updated with the latest firmware that addresses CVE-2023-27997. Monitoring VPN logs for repeated or anomalous /remote/logincheck requests is advised. Network segmentation and restricting VPN access to trusted IP ranges can reduce exposure. Deploy IDS/IPS tuned to detect exploitation attempts related to these vulnerabilities. Regularly review server configurations to prevent unauthorized access to sensitive files. Incorporate threat intelligence feeds like CIRCL OSINT into monitoring and conduct periodic penetration testing focused on these vulnerabilities. Establish incident response plans to quickly address any successful exploitation.

Summary

The threat intelligence report from CIRCL OSINT Feed captures network IDS alerts involving reconnaissance and possible exploitation attempts against Joomla CMS installations vulnerable to CVE-2011-5148, which allows unauthenticated remote code execution via the Simple File Upload Plugin, and Fortigate VPN devices vulnerable to CVE-2023-27997, where repeated GET requests to /remote/logincheck may bypass authentication or cause denial of service. Additional activity includes inbound requests targeting hidden environment files, indicating attempts to access sensitive configuration data. While no confirmed exploits are currently active, these alerts highlight scanning activity for vulnerable systems. Patch availability is not indicated for the specific alerts, though Fortigate VPN devices should be updated with the latest firmware addressing CVE-2023-27997. Joomla users should audit and mitigate vulnerable plugins accordingly.

Indicators of compromise

IP addresses 4

20.63.210.169ET WEB_SPECIFIC_APPS Joolma Simple File Upload Plugin Remote Code Execution (CVE-2011-5148)
20.205.226.191ET WEB_SPECIFIC_APPS Joolma Simple File Upload Plugin Remote Code Execution (CVE-2011-5148)
2001:470:1:c84::21ET EXPLOIT Fortigate VPN - Repeated GET Requests to /remote/logincheck (CVE-2023-27997)
2a02:4780:b:669:0:1808:6aa0:1ET INFO Request to Hidden Environment File - Inbound

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Description

AI analysisMachine-generated, updated 10 May 2026, 02:26 UTC

Indicators of compromise

IP addresses 4

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