UnknownPublished 26 Mar 2026

tlp clear · KRVTZ-NET IDS alerts for 2026-03-26

Affects tlp clearSource CIRCL OSINT Feed

TLP:CLEAR, disclosure is not limited

Mentions 2 CVEs

Mentioned vulnerabilities

Description

KRVTZ-NET IDS alerts for 2026-03-26

Impact

The immediate impact is limited to reconnaissance and scanning activity without confirmed exploitation. Systems running vulnerable Joomla plugins or unpatched Fortigate VPN appliances could be at risk if targeted in follow-up attacks. Successful exploitation of these vulnerabilities could lead to remote code execution, unauthorized access, and potential network compromise. WordPress sites identified through scanning may also be vulnerable to known exploits or misconfigurations. The current threat level is low, but failure to address these vulnerabilities and reconnaissance attempts could enable more severe attacks in the future.

Defensive guidance

However, organizations should ensure Joomla installations are updated and remove or patch the vulnerable Simple File Upload Plugin (CVE-2011-5148). Fortigate VPN appliances should be updated with the latest security patches addressing CVE-2023-27997. WordPress installations should be hardened by disabling unused features such as Windows Live Writer XMLRPC endpoints and applying security best practices. Network defenses should include tuned IDS/IPS rules to detect and block scanning attempts, and multi-factor authentication should be enforced on VPN and administrative interfaces. Continuous monitoring and threat intelligence integration are recommended to detect and respond to reconnaissance and exploitation attempts promptly.

Indicators of compromise

IP addresses 4

20.219.0.216ET WEB_SPECIFIC_APPS Joolma Simple File Upload Plugin Remote Code Execution (CVE-2011-5148)
2001:470:2cc:1::25fET EXPLOIT Fortigate VPN - Repeated GET Requests to /remote/logincheck (CVE-2023-27997)
20.212.32.151ET WEB_SPECIFIC_APPS Joolma Simple File Upload Plugin Remote Code Execution (CVE-2011-5148)
45.149.173.217ET SCAN WordPress Scanner Performing Multiple Requests to Windows Live Writer XML

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Description

AI analysisMachine-generated, updated 10 May 2026, 02:23 UTC

Indicators of compromise

IP addresses 4

Community reviews

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