Attackers Searching for SAP Netweaver Webshells, (Mon, Nov 9th)
Source SANS ISC Handlers Diary
Exploited in the wild · KEV due 20 May 2025 · public detection template (Nuclei) : block it and hunt for it in your logs now.
Data as of 9 Nov 2026, 18:33 UTC
- KEV deadline
- US federal agencies must patch by this date; a sensible deadline for everyone else. Other KEV due dates
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 24 Apr 2025
Detectable: evidence found.
nuclei template: SAP NetWeaver Visual Composer Metadata Uploader - Deserialization
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: evidence found.
Listed in CISA KEV 5 days after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by SAP SE
, 28 days before disclosure
CVE published
on cve.org
, t = 0
CISA SSVC assessment
exploitation active
, the same day as disclosure
Added to CISA KEV (opens in a new tab)
exploitation confirmed · ransomware use known
, 5 days after disclosure
KEV remediation due
US federal deadline
, 26 days after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SAP_SESAP NetWeaver (Visual Composer development server) | Affected
| Fixed in– |
Description
Attackers are actively searching for SAP NetWeaver webshells by exploiting a known vulnerability (CVE-2025-31324) that allows unauthenticated file uploads. This vulnerability has a critical CVSS score of 10 and has been used to upload webshells typically located in the /irj/servlet_jsp/irj/root/ directory. Multiple URLs related to SAP NetWeaver and other upload endpoints are being targeted in this campaign.