KRVTZ-NET IDS alerts for 2026-05-20
The KRVTZ-NET IDS alerts for 2026-05-20 report observed network reconnaissance activity involving two IP addresses. One IP (5.255.102.136) made inbound requests to a hidden environment file, categorized as informational. Another IP (2001:470:1:fb5::1a0) performed repeated GET requests to the Fortigate VPN logincheck endpoint, associated with CVE-2023-27997, a known vulnerability. There is no indication of confirmed exploitation or compromise. The event is classified as reconnaissance with low severity and no known exploits in the wild.
AI Analysis
Technical Summary
This report details IDS alerts capturing network activity on 2026-05-20 involving two IP addresses. The first IP generated inbound informational requests to a hidden environment file, which is typically reconnaissance or probing behavior. The second IP repeatedly accessed the Fortigate VPN /remote/logincheck endpoint, linked to CVE-2023-27997, a known vulnerability in Fortigate VPN products. No further technical details, exploit status, or remediation guidance are provided. The overall activity is reconnaissance with low severity and no confirmed exploitation.
Potential Impact
The impact is limited to reconnaissance activity detected by IDS alerts. There are no known exploits in the wild related to these specific alerts, and no direct compromise or exploitation is reported. The repeated requests to the vulnerable Fortigate VPN endpoint suggest potential probing but no confirmed exploitation or breach.
Mitigation Recommendations
No patch or remediation is indicated in the provided data. Patch availability is false, and no vendor advisory or mitigation guidance is included in this report. Organizations should verify their Fortigate VPN systems are updated according to vendor advisories for CVE-2023-27997. Since no direct exploit is confirmed, no urgent action is specified in this report.
Indicators of Compromise
- ip: 5.255.102.136
- ip: 2001:470:1:fb5::1a0
KRVTZ-NET IDS alerts for 2026-05-20
Description
The KRVTZ-NET IDS alerts for 2026-05-20 report observed network reconnaissance activity involving two IP addresses. One IP (5.255.102.136) made inbound requests to a hidden environment file, categorized as informational. Another IP (2001:470:1:fb5::1a0) performed repeated GET requests to the Fortigate VPN logincheck endpoint, associated with CVE-2023-27997, a known vulnerability. There is no indication of confirmed exploitation or compromise. The event is classified as reconnaissance with low severity and no known exploits in the wild.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This report details IDS alerts capturing network activity on 2026-05-20 involving two IP addresses. The first IP generated inbound informational requests to a hidden environment file, which is typically reconnaissance or probing behavior. The second IP repeatedly accessed the Fortigate VPN /remote/logincheck endpoint, linked to CVE-2023-27997, a known vulnerability in Fortigate VPN products. No further technical details, exploit status, or remediation guidance are provided. The overall activity is reconnaissance with low severity and no confirmed exploitation.
Potential Impact
The impact is limited to reconnaissance activity detected by IDS alerts. There are no known exploits in the wild related to these specific alerts, and no direct compromise or exploitation is reported. The repeated requests to the vulnerable Fortigate VPN endpoint suggest potential probing but no confirmed exploitation or breach.
Mitigation Recommendations
No patch or remediation is indicated in the provided data. Patch availability is false, and no vendor advisory or mitigation guidance is included in this report. Organizations should verify their Fortigate VPN systems are updated according to vendor advisories for CVE-2023-27997. Since no direct exploit is confirmed, no urgent action is specified in this report.
Technical Details
- Uuid
- bcd222e6-4fd6-4cdd-81d2-1434cd4603ff
- Original Timestamp
- 1779235616
Indicators of Compromise
Ip
| Value | Description | Copy |
|---|---|---|
ip5.255.102.136 | ET INFO Request to Hidden Environment File - Inbound | |
ip2001:470:1:fb5::1a0 | ET EXPLOIT Fortigate VPN - Repeated GET Requests to /remote/logincheck (CVE-2023-27997) |
Threat ID: 6a0d166bba1db473621d9e8d
Added to database: 05/20/2026, 02:03:23 UTC
Last enriched: 05/27/2026, 21:59:24 UTC
Last updated: 07/30/2026, 11:07:14 UTC
Views: 124
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